Biggest changeWe do not expect the tax provisions of the IRA to have a material impact on our consolidated financial statements. 69 Table of Contents Results of Operations The following tables set forth our consolidated results of operations data and such data as a percentage of total revenue for each of the periods indicated: Year Ended December 31, 2022 2021 2020 (in thousands) Revenue: Technology $ 176,288 $ 147,718 $ 110,467 Professional services 99,948 94,208 78,378 Total revenue 276,236 241,926 188,845 Cost of revenue, excluding depreciation and amortization shown below: Technology (1)(2)(3) 56,642 47,516 35,604 Professional services (1)(2)(3) 86,407 76,838 62,473 Total cost of revenue, excluding depreciation and amortization 143,049 124,354 98,077 Operating expenses: Sales and marketing (1)(2)(3) 87,514 75,027 55,411 Research and development (1)(2)(3) 75,680 62,733 53,517 General and administrative (1)(2)(3)(4) 61,701 85,934 59,240 Depreciation and amortization 48,297 37,528 18,725 Total operating expenses 273,192 261,222 186,893 Loss from operations (140,005) (143,650) (96,125) Loss on extinguishment of debt — — (8,514) Interest and other expense, net (1,678) (16,458) (11,572) Loss before income taxes (141,683) (160,108) (116,211) Income tax benefit (4,280) (6,898) (1,194) Net loss $ (137,403) $ (153,210) $ (115,017) __________________ (1) Includes stock-based compensation expense, as follows: Year Ended December 31, 2022 2021 2020 Stock-Based Compensation Expense: (in thousands) Cost of revenue, excluding depreciation and amortization: Technology $ 2,058 $ 2,063 $ 803 Professional services 8,230 8,047 3,453 Sales and marketing 28,082 22,698 13,093 Research and development 12,938 10,213 8,069 General and administrative 20,796 22,124 12,539 Total $ 72,104 $ 65,145 $ 37,957 (2) Includes acquisition-related costs, net, as follows: Year Ended December 31, 2022 2021 2020 Acquisition-related costs, net: (in thousands) Cost of revenue, excluding depreciation and amortization: Technology $ 351 $ 61 $ — Professional services 655 127 — Sales and marketing 1,894 592 — Research and development 3,045 901 — General and administrative (1,051) 26,248 16,758 Total $ 4,894 $ 27,929 $ 16,758 70 Table of Contents (3) Includes restructuring costs, as follows: Year Ended December 31, 2022 2021 2020 Restructuring costs: (in thousands) Cost of revenue, excluding depreciation and amortization: Technology $ 229 $ — $ — Professional services 1,139 — — Sales and marketing 3,023 — — Research and development 3,410 — — General and administrative 624 — — Total $ 8,425 $ — $ — (4) Includes non-recurring lease-related charges, as follows: Year Ended December 31, 2022 2021 2020 Non-recurring lease-related charges: (in thousands) General and administrative $ 3,798 $ 1,800 $ 1,398 Year Ended December 31, 2022 2021 2020 Revenue: Technology 64 % 61 % 58 % Professional services 36 39 42 Total revenue 100 100 100 Cost of revenue, excluding depreciation and amortization shown below: Technology 21 20 19 Professional service 31 32 33 Total cost of revenue, excluding depreciation and amortization 52 52 52 Operating expenses: Sales and marketing 32 31 29 Research and development 27 26 28 General and administrative 22 36 31 Depreciation and amortization 18 16 10 Total operating expenses 99 109 98 Loss from operations (51) (61) (50) Loss on extinguishment of debt — — (5) Interest and other expense, net (1) (7) (6) Loss before income taxes (52) (68) (61) Income tax benefit (2) (3) (1) Net loss (50) % (65) % (60) % 71 Table of Contents Discussion of the Years Ended December 31, 2022 and 2021 Revenue Year Ended December 31, 2022 2021 $ Change % Change (in thousands, except percentages) Revenue: Technology $ 176,288 $ 147,718 $ 28,570 19 % Professional services 99,948 94,208 5,740 6 % Total revenue $ 276,236 $ 241,926 $ 34,310 14 % Percentage of revenue: Technology 64 % 61 % Professional services 36 39 Total 100 % 100 % Total revenue was $276.2 million for the year ended December 31, 2022, compared to $241.9 million for the year ended December 31, 2021, an increase of $34.3 million, or 14%.
Biggest changeResults of Operations The following tables set forth our consolidated results of operations data and such data as a percentage of total revenue for each of the periods indicated: Year Ended December 31, 2023 2022 2021 (in thousands) Revenue: Technology $ 187,583 $ 176,288 $ 147,718 Professional services 108,355 99,948 94,208 Total revenue 295,938 276,236 241,926 Cost of revenue, excluding depreciation and amortization shown below: Technology (1)(2)(3) 62,474 56,642 47,516 Professional services (1)(2)(3) 101,631 86,407 76,838 Total cost of revenue, excluding depreciation and amortization 164,105 143,049 124,354 Operating expenses: Sales and marketing (1)(2)(3) 67,321 87,514 75,027 Research and development (1)(2)(3) 72,627 75,680 62,733 General and administrative (1)(2)(3)(4)(5) 76,559 61,701 85,934 Depreciation and amortization 42,223 48,297 37,528 Total operating expenses 258,730 273,192 261,222 Loss from operations (126,897) (140,005) (143,650) Interest and other income (expense), net 9,106 (1,678) (16,458) Loss before income taxes (117,791) (141,683) (160,108) Income tax provision (benefit) 356 (4,280) (6,898) Net loss $ (118,147) $ (137,403) $ (153,210) __________________ (1) Includes stock-based compensation expense, as follows: 72 Table of Contents Year Ended December 31, 2023 2022 2021 Stock-Based Compensation Expense: (in thousands) Cost of revenue, excluding depreciation and amortization: Technology $ 1,866 $ 2,058 $ 2,063 Professional services 7,369 8,230 8,047 Sales and marketing 20,982 28,082 22,698 Research and development 11,213 12,938 10,213 General and administrative 14,326 20,796 22,124 Total $ 55,756 $ 72,104 $ 65,145 (2) Includes acquisition-related costs, net, as follows: Year Ended December 31, 2023 2022 2021 Acquisition-related costs, net: (in thousands) Cost of revenue, excluding depreciation and amortization: Technology $ 273 $ 351 $ 61 Professional services 391 655 127 Sales and marketing 697 1,894 592 Research and development 787 3,045 901 General and administrative 3,609 (1,051) 26,248 Total $ 5,757 $ 4,894 $ 27,929 (3) Includes restructuring costs, as follows: Year Ended December 31, 2023 2022 2021 Restructuring costs: (in thousands) Cost of revenue, excluding depreciation and amortization: Technology $ 496 $ 229 $ — Professional services 1,832 1,139 — Sales and marketing 2,415 3,023 — Research and development 3,337 3,410 — General and administrative 742 624 — Total $ 8,822 $ 8,425 $ — (4) Includes litigation costs, as follows: Year Ended December 31, 2023 2022 2021 Litigation costs: (in thousands) General and administrative $ 21,279 $ — $ — (5) Includes non-recurring lease-related charges, as follows: Year Ended December 31, 2023 2022 2021 Non-recurring lease-related charges: (in thousands) General and administrative $ 4,081 $ 3,798 $ 1,800 73 Table of Contents Year Ended December 31, 2023 2022 2021 Revenue: Technology 63 % 64 % 61 % Professional services 37 36 39 Total revenue 100 100 100 Cost of revenue, excluding depreciation and amortization shown below: Technology 21 21 20 Professional services 34 31 32 Total cost of revenue, excluding depreciation and amortization 55 52 52 Operating expenses: Sales and marketing 23 32 31 Research and development 25 27 26 General and administrative 26 22 36 Depreciation and amortization 14 18 16 Total operating expenses 88 99 109 Loss from operations (43) (51) (61) Interest and other income (expense), net 3 (1) (7) Loss before income taxes (40) (52) (68) Income tax provision (benefit) — (2) (3) Net loss (40) % (50) % (65) % 74 Table of Contents Discussion of the Years Ended December 31, 2023 and 2022 Revenue Year Ended December 31, 2023 2022 $ Change % Change (in thousands, except percentages) Revenue: Technology $ 187,583 $ 176,288 $ 11,295 6 % Professional services 108,355 99,948 8,407 8 % Total revenue $ 295,938 $ 276,236 $ 19,702 7 % Percentage of revenue: Technology 63 % 64 % Professional services 37 36 Total 100 % 100 % Total revenue was $295.9 million for the year ended December 31, 2023, compared to $276.2 million for the year ended December 31, 2022, an increase of $19.7 million, or 7%.
Investing activities Net cash used in investing activities for the year ended December 31, 2022 of $39.0 million was primarily due to $27.8 million used to acquire KPI Ninja and ARMUS, $13.0 million of capitalized internal-use software development costs, and $4.4 million in purchases of property, equipment, and intangible assets.
Net cash used in investing activities for the year ended December 31, 2022 of $39.0 million was primarily due to $27.8 million used to acquire KPI Ninja and ARMUS, $13.0 million of capitalized internal-use software development costs, and $4.4 million in purchases of property, equipment, and intangible assets.
On February 24, 2022, we acquired KPI Ninja, a leading provider of interoperability, enterprise analytics, and value-based care solutions based in Lincoln, Nebraska. KPI Ninja is known for its powerful capabilities, flexible configurations, and comprehensive applications designed to fulfill the promise of data-driven healthcare.
KPI Ninja, Inc. On February 24, 2022, we acquired KPI Ninja, a leading provider of interoperability, enterprise analytics, and value-based care solutions based in Lincoln, Nebraska. KPI Ninja is known for its powerful capabilities, flexible configurations, and comprehensive applications designed to fulfill the promise of data-driven healthcare.
Depreciation and amortization expenses are primarily attributable to our capital investment and consist of fixed asset depreciation, amortization of intangibles considered to have definite lives, and amortization of capitalized internal-use software costs. Interest and other income (expense), net Interest and other income (expense), net primarily consists of interest expense partially offset by income from our investment holdings.
Depreciation and amortization expenses are primarily attributable to our capital investment and consist of fixed asset depreciation, amortization of intangibles considered to have definite lives, and amortization of capitalized internal-use software costs. Interest and other income (expense), net Interest and other income (expense), net primarily consists of income from our investment holdings offset by interest expense.
Recent Accounting Pronouncements See “Description of Business and Summary of Significant Accounting Policies” in Note 1 to our audited consolidated financial statements included within Item 8 in this Annual Report on Form 10-K for more information.
Recent Accounting Pronouncements See “Description of Business and Summary of Significant Accounting Policies” in Note 1 to our audited consolidated financial statements included within Item 8 in this Annual Report on Form 10-K for more information. 82
Transaction costs associated with business combinations are expensed as incurred and are included in general and administrative expense in our consolidated statements of operations and comprehensive loss. 78 Table of Contents Goodwill We record goodwill as the difference between the aggregate consideration paid for a business combination and the fair value of the identifiable net tangible and intangible assets acquired.
Transaction costs associated with business combinations are expensed as incurred and are included in general and administrative expense in our consolidated statements of operations and comprehensive loss. 81 Table of Contents Goodwill We record goodwill as the difference between the aggregate consideration paid for a business combination and the fair value of the identifiable net tangible and intangible assets acquired.
Overview We are a leading provider of data and analytics technology and services to healthcare organizations. Our Solution comprises our cloud-based data platforms, software analytics applications, and professional services expertise. Our clients, which are primarily healthcare providers, use our Solution to manage their data, derive analytical insights to operate their organization, and produce measurable clinical, financial, and operational improvements.
Overview We are a leading provider of data and analytics technology and services to healthcare organizations. Our Solution comprises our cloud-based data platform, software analytics applications, and professional services expertise. Our clients, which are primarily healthcare providers, use our Solution to manage their data, derive analytical insights to operate their organization, and produce measurable clinical, financial, and operational improvements.
Our subscription contracts generally have a three or five-year term, of which many are terminable after one year upon 90 days’ notice. 77 Table of Contents Subscriptions that allow the client to take software on-premise without significant penalty are treated as time-based licenses. These arrangements generally include access to technology, access to unspecified future products, and maintenance and support.
Our subscription contracts generally have a three or five-year term, of which many are terminable after one year upon 90 days’ notice. Subscriptions that allow the client to take software on-premise without significant penalty are treated as time-based licenses. These arrangements generally include access to technology, access to unspecified future products, and maintenance and support.
Over the past few years, we have invested in growth infrastructure by adding to our sales operations and marketing teams, which are built to help us scale over the long term. We have demonstrated a consistent track record of innovation through research and development over time as evidenced by our new product features and new product offerings.
Over the past few years, we have invested in growth infrastructure by adding to our sales operations and marketing teams, which are built to help us scale over the long term. 62 Table of Contents We have demonstrated a consistent track record of innovation through research and development over time as evidenced by our new product features and new product offerings.
The acquisition consideration transferred was $21.4 million and was comprised of net cash consideration of $18.5 million and Health Catalyst common shares with a fair value of $2.9 million, net of shares subject to revesting that are accounted for as post-acquisition stock-based compensation. 66 Table of Contents Twistle, Inc. On July 1, 2021 , we acquired Twistle, Inc.
The acquisition consideration transferred was $21.4 million and was comprised of net cash consideration of $18.5 million and Health Catalyst common shares with a fair value of $2.9 million, net of shares subject to revesting that are accounted for as post-acquisition stock-based compensation. Twistle, Inc. On July 1, 2021 , we acquired Twistle, Inc.
From the beginning, our Solution has been focused on enabling our mission: to be the catalyst for massive, measurable, data-informed healthcare improvement. We currently employ more than 1,200 team members.
From the beginning, our Solution has been focused on enabling our mission: to be the catalyst for massive, measurable, data-informed healthcare improvement. We currently employ more than 1,300 team members.
It is not possible for us to predict the duration or magnitude of the adverse results of the challenging macroeconomic environment and its effects on our business, results of operations, or financial condition at this time. • Add new clients. We believe our ability to increase our client base will enable us to drive growth.
It is not possible for us to predict the duration or magnitude of the adverse results of the challenging macroeconomic environment and its effects on our business, results of operations, or financial condition at this time. 68 Table of Contents • Add new clients. We believe our ability to increase our client base will enable us to drive growth.
Our research and development expenses may fluctuate as a percentage of our revenue from period to period due to the nature, timing, and extent of these expenses. 68 Table of Contents General and administrative. General and administrative expenses primarily include salary and related personnel costs for our legal, finance, people operations, IT, and other administrative teams, including certain executives.
Our research and development expenses may fluctuate as a percentage of our revenue from period to period due to the nature, timing, and extent of these expenses. General and administrative. General and administrative expenses primarily include salary and related personnel costs for our legal, finance, people operations, IT, and other administrative teams, including certain executives.
However, 2022 proved to be a more challenging year than anticipated as a result of the inflationary macroeconomic environment and the meaningful financial strain that our health system end market faced, which contributed to a lower Dollar-based Retention Rate compared to 2021.
However, 2022 and 2023 proved to be more challenging years than anticipated as a result of the inflationary macroeconomic environment and the meaningful financial strain that our health system end market faced, which contributed to a lower Dollar-based Retention Rate compared to 2021.
We have demonstrated an ability to upsell technology and services to our client base over time as evidenced by a Dollar-based Retention Rate of 100%, 112%, and 102% for the years ended December 31, 2022, 2021, and 2020, respectively.
We have demonstrated an ability to upsell technology and services to our client base over time as evidenced by a Dollar-based Retention Rate of 100%, 100%, and 112% for the years ended December 31, 2023, 2022, and 2021, respectively.
However, our technology Dollar-based Retention Rate decreased as of December 31, 2022 compared to December 31, 2021 primarily due to the loss of a large enterprise DOS platform client, a decline in our sales pipeline with respect to parts of our Solution that do not offer near-term ROI, such as our clinically-focused technology offerings, and a few clients reducing their near-term spend with us in an effort to meet their short-term budget requirements.
However, our technology Dollar-based Retention Rate decreased as of December 31, 2023 and 2022 compared to December 31, 2021 primarily due to the loss of a large enterprise DOS platform client, a decline in our sales pipeline with respect to parts of our Solution that do not offer near-term ROI, such as our clinically-focused technology offerings, and some clients reducing their near-term DOS and analytics application spend with us in an effort to meet their short-term budget requirements.
A discussion regarding our financial condition and results of operations for the year ended December 31, 2022 compared to the year ended December 31, 2021 is presented below.
A discussion regarding our financial condition and results of operations for the year ended December 31, 2023 compared to the year ended December 31, 2022 is presented below.
Additionally, with our increased focus on driving expansion within our existing client base through our Tech-enabled Managed Services offering, we believe that our sales and marketing infrastructure is positioned well to generate meaningful leverage and growth within our services offerings without the need for the same level of incremental investment as in prior years.
Additionally, with our increased focus on driving expansion within our existing client base through our TEMS offering, we believe that our sales and marketing infrastructure is positioned well to generate meaningful leverage and growth within our services offerings without the need for the same level of incremental investment as in prior years.
We have acquired multiple companies over the last few years, including Medicity in June 2018, Able Health in February 2020, Healthfinch in July 2020, Vitalware in September 2020, Twistle in July 2021, KPI Ninja in February 2022, and ARMUS in April 2022.
We have acquired multiple companies over the last few years, including Medicity in June 2018, Able Health in February 2020, Healthfinch in July 2020, Vitalware in September 2020, Twistle in July 2021, KPI Ninja in February 2022, ARMUS in April 2022, and ERS in October 2023.
Sales and marketing expenses primarily include salary and related personnel costs for our sales, marketing, and account management teams, lead generation, marketing events, including our Healthcare Analytics Summit (HAS), marketing programs, and outside contractor costs associated with the sale and marketing of our offerings.
Sales and marketing expenses primarily include salary and related personnel costs for our sales, marketing, and account management teams, lead generation, marketing events, including our HAS, marketing programs, and outside contractor costs associated with the sale and marketing of our offerings.
Also included in technology revenue is the maintenance and support we provide, which generally includes updates and support services. Professional services revenue. Professional services revenue primarily includes analytics services, domain expertise services, Tech-enabled Managed Services, and implementation services. Professional services arrangements typically include a fee for making FTE services available to our clients on a monthly basis.
Also included in technology revenue is the maintenance and support we provide, which generally includes updates and support services. Professional services revenue. Professional services revenue primarily includes analytics services, domain expertise services, TEMS, and implementation services. Professional services arrangements typically include a fee for making FTE services available to our clients on a monthly basis.
Factors that could cause or contribute to those differences include, but are not limited to, those identified below and those discussed in the sections titled “Risk Factors” and "Special Note Regarding Forward-Looking Statements" included elsewhere in this Annual Report on Form 10-K.
Factors that could cause or contribute to those differences include, but are not limited to, those identified below and those discussed in the sections titled “Risk Factors” and “Special Note Regarding Forward-Looking Statements” included elsewhere in this Annual Report on Form 10-K.
Recent macroeconomic challenges (including the high levels of inflation and high interest rates), the tight labor market, and the lingering effects of the COVID-19 pandemic continue to adversely affect workforces, organizations, governments, clients, economies, and financial markets globally, leading to an economic downturn and increased market volatility. They have also disrupted the normal operations of many businesses, including ours.
Recent macroeconomic challenges (including the high levels of inflation and high interest rates) and the tight labor market continue to adversely affect workforces, organizations, governments, clients, economies, and financial markets globally, leading to an economic downturn and increased market volatility. They have also disrupted the normal operations of many businesses, including ours.
While there will likely be a headwind to gross margin from these Tech-enabled Managed Services in the near term, we believe this model will benefit our mid and long-term Adjusted EBITDA and profitability targets due to improved direct margin on these services over time, our ability to drive operating leverage with lower relative incremental operating expense investment required, and the fact that these contracts typically result in long-term technology subscription contract renewals or expansion.
While there will be a headwind to gross margin from these TEMS in the near term, we believe this model will benefit our mid and long-term Adjusted EBITDA and profitability targets due to improved direct margin on these services over time, our ability to drive operating leverage with lower relative incremental operating expense investment required, and the fact that these contracts typically result in long-term technology subscription contract renewals or expansions.
We often provide a client with a near-term discount relative to their existing costs for the scope of the Tech-enabled Managed Services opportunity, and we drive incremental gross margin over time by leveraging our technology and know-how to make processes more efficient and reduce the client's labor costs.
We often provide a client with a near-term discount relative to their existing costs for the scope of the TEMS opportunity, and we drive incremental gross margin over time by leveraging our technology and know-how to make processes more efficient and reduce the client’s labor costs.
While these factors present significant opportunities for us, they also represent the challenges that we must successfully address in order to grow our business and improve our results of operations. • Impact of challenging macroeconomic environment, including high inflation and high interest rates, and the lingering effects of the COVID-19 pandemic.
While these factors present significant opportunities for us, they also represent the challenges that we must successfully address in order to grow our business and improve our results of operations. • Impact of challenging macroeconomic environment, including high inflation and high interest rates.
Within our professional services segment, a subset of clients have reduced the number of FTEs engaged in their initiatives, while in the technology segment, a small subset of modular clients and smaller DOS platform clients have lowered their application and analytics spend.
As previously described, within our professional services segment, a subset of clients have reduced the number of FTEs engaged in their initiatives, while in the technology segment, a subset of modular clients and smaller DOS platform clients have lowered their application and analytics spend.
Our health system end market is currently experiencing meaningful financial strain from significant inflation with increases in labor and supply costs without a commensurate increase in revenue, leading to significant margin pressure.
Our health system end market is currently experiencing meaningful financial strain from significant inflation. In particular, they are experiencing increases in labor and supply costs without a commensurate increase in revenue, leading to significant margin pressure.
Our clients are large, complex organizations who typically have long procurement cycles which may lead to declines in the pace of our new client additions. 65 Table of Contents • Leverage recent product and services offerings to drive expansion. We believe that our ability to expand within our client base will enable us to drive growth.
Our clients are large, complex organizations who typically have long procurement cycles which may lead to declines in the pace of our new client additions, which also included small clients. • Leverage recent product and services offerings to drive expansion. We believe that our ability to expand within our client base will enable us to drive growth.
The growth in revenue was primarily due to revenue from new clients, including clients of our recent acquired entities, and existing clients paying higher technology access fees from contractual, annual escalators. • For the years ended December 31, 2022, 2021, and 2020, we incurred net losses of $137.4 million, $153.2 million, and $115.0 million, respectively. • For the years ended December 31, 2022, 2021, and 2020, our Adjusted EBITDA was $(2.5) million, $(11.2) million, and $(21.3) million, respectively.
The growth in revenue was primarily due to revenue from new clients, including clients of our recent acquired entities, and existing clients paying higher technology access fees from contractual, annual escalators. • For the years ended December 31, 2023, 2022, and 2021, we incurred net losses of $118.1 million, $137.4 million, and $153.2 million, respectively. • For the years ended December 31, 2023, 2022, and 2021, our Adjusted EBITDA was $11.0 million, $(2.5) million, and $(11.2) million, respectively.
Adjusted EBITDA Adjusted EBITDA is a non-GAAP financial measure that we define as net loss adjusted for (i) interest and other expense, net, (ii) loss on extinguishment of debt, (iii) income tax benefit, (iv) depreciation and amortization, (v) stock-based compensation, (vi) acquisition-related costs, net, (vii) restructuring costs, and (viii) non-recurring lease-related charges.
Adjusted EBITDA Adjusted EBITDA is a non-GAAP financial measure that we define as net loss adjusted for (i) interest and other (income) expense, net, (ii) income tax provision (benefit), (iii) depreciation and amortization, (iv) stock-based compensation, (v) acquisition-related costs, net, (vi) litigation costs, (vii) restructuring costs, and (viii) non-recurring lease-related charges.
See “Reconciliation of Non-GAAP Financial Measures” below for more information about this financial measure, including the limitations of such measure and a reconciliation to the most directly comparable measure calculated in accordance with GAAP.
See “Reconciliation of Non-GAAP Financial Measures” below for more information about Adjusted EBITDA, including the limitations of Adjusted EBITDA and a reconciliation to the most directly comparable measure calculated in accordance with GAAP.
Year Ended December 31, 2021 (in thousands, except percentages) Technology Professional Services Total Revenue $ 147,718 $ 94,208 $ 241,926 Cost of revenue, excluding depreciation and amortization (47,516) (76,838) (124,354) Gross profit, excluding depreciation and amortization 100,202 17,370 117,572 Add: Stock-based compensation 2,063 8,047 10,110 Acquisition-related costs, net (1) 61 127 188 Adjusted Gross Profit $ 102,326 $ 25,544 $ 127,870 Gross margin, excluding depreciation and amortization 68 % 18 % 49 % Adjusted Gross Margin 69 % 27 % 53 % __________________ (1) Acquisition-related costs, net includes deferred retention expenses following the acquisition of Twistle.
(2) Restructuring costs include severance and other team member costs from workforce reductions. 66 Table of Contents Year Ended December 31, 2021 (in thousands, except percentages) Technology Professional Services Total Revenue $ 147,718 $ 94,208 $ 241,926 Cost of revenue, excluding depreciation and amortization (47,516) (76,838) (124,354) Gross profit, excluding depreciation and amortization 100,202 17,370 117,572 Add: Stock-based compensation 2,063 8,047 10,110 Acquisition-related costs, net (1) 61 127 188 Adjusted Gross Profit $ 102,326 $ 25,544 $ 127,870 Gross margin, excluding depreciation and amortization 68 % 18 % 49 % Adjusted Gross Margin 69 % 27 % 53 % __________________ (1) Acquisition-related costs, net includes deferred retention expenses following the Twistle acquisition.
See “Key Factors Affecting Our Performance” for more information about important opportunities and challenges related to our business. 57 Table of Contents Challenging Macroeconomic Environment Recent macroeconomic challenges (including high levels of inflation and high interest rates), the tight labor market, and the lingering effects of the COVID-19 pandemic continue to adversely affect workforces, organizations, governments, clients, economies, and financial markets globally.
See “Key Factors Affecting Our Performance” for more information about important opportunities and challenges related to our business. 60 Table of Contents Challenging Macroeconomic Environment Recent macroeconomic challenges (including high levels of inflation and high interest rates) and the tight labor market continue to adversely affect workforces, organizations, governments, clients, economies, and financial markets globally.
See above for information regarding the limitations of using our Adjusted Gross Profit and Adjusted Gross Margin as financial measures and for a reconciliation of revenue to our Adjusted Gross Profit, the most directly comparable financial measure calculated in accordance with GAAP.
See “Reconciliation of Non-GAAP Financial Measures” below for information regarding the limitations of using our Adjusted Gross Profit and Adjusted Gross Margin as financial measures and for a reconciliation of revenue to our Adjusted Gross Profit, the most directly comparable financial measure calculated in accordance with GAAP.
While our professional services offerings help our clients achieve measurable improvements and make them stickier, they have lower gross margins than our technology revenue. In 2022, our technology revenue and professional services revenue represented 64% and 36% of total revenue, respectively. Changes in our percentage of revenue attributable to Technology and Professional Services would impact future Total Adjusted Gross Margin.
While our professional services offerings help our clients achieve measurable improvements and make them stickier, they have lower gross margins than our technology revenue. In 2023, our technology revenue and professional services revenue represented 63% and 37% of total revenue, respectively. Changes in our percentage of revenue attributable to Technology and Professional Services would impact future Total Adjusted Gross Margin.
For example, in 2023 we expect professional services revenue to become a higher percentage of total revenue as a result of increased demand for Tech-enabled Managed Services that tend to provide an immediate return on investment for clients, including in the form of cost savings for the client.
For example, in 2024, we expect professional services revenue to become a higher percentage of total revenue as a result of increased demand for Tech-enabled Managed Services that tend to provide an immediate ROI for clients, including in the form of cost savings for the client.
A discussion regarding our financial condition and results of operations for the year ended December 31, 2021 compared to the year ended December 31, 2020 is included under “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our prior year Form 10-K filed on March 1, 2022.
A discussion regarding our financial condition and results of operations for the year ended December 31, 2022 compared to the year ended December 31, 2021 is included under “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our prior year Form 10-K filed on February 28, 2023.
Specifically, in the near term we expect our mix of services to include more Tech-enabled Managed Services, which have minimal initial services gross margins that gradually increase over time as the company drives efficiencies in service delivery through the use of our technology.
Specifically, in the near term, we expect our mix of services to include more TEMS which have minimal initial services gross margins that gradually increase over time as we drive efficiencies in service delivery through the use of our technology.
Dollar-based Retention Rate Year Ended December 31, 2022 2021 2020 Dollar-based Retention Rate 100 % 112 % 102 % We calculate our Dollar-based Retention Rate as of a period end by starting with the sum of the technology and professional services Annual Recurring Revenue (ARR) from our DOS Subscription Clients as of the date 12 months prior to such period end (prior period ARR).
Dollar-based Retention Rate Year Ended December 31, 2023 2022 2021 Dollar-based Retention Rate 100 % 100 % 112 % 64 Table of Contents We calculate our Dollar-based Retention Rate as of a period end by starting with the sum of the technology and professional services ARR from our DOS Subscription Clients as of the date 12 months prior to such period end (prior period ARR).
Highlights from the years ended December 31, 2022, 2021, and 2020 include: • For the years ended December 31, 2022, 2021, and 2020, our total revenue was $276.2 million, $241.9 million, and $188.8 million, respectively.
Highlights from the years ended December 31, 2023, 2022, and 2021 include: • For the years ended December 31, 2023, 2022, and 2021, our total revenue was $295.9 million, $276.2 million, and $241.9 million, respectively.
We expect Adjusted Technology Gross Margin to fluctuate and potentially decline in the near term, primarily due to additional costs associated with the ongoing transition of a small number of clients from on-premise and our managed data centers to third-party hosted data centers with Microsoft Azure and the migration of a subset of clients to our multi-tenant, Snowflake and Databricks-enabled data platform environment, as well as a small subset of modular clients reducing their software analytics application costs, which tend to be higher margin offerings.
We expect Adjusted Technology Gross Margin to fluctuate and potentially decline in the near term, primarily due to additional costs associated with the ongoing transition of a small number of clients from our managed data centers or on-premise to third-party hosted data centers with Microsoft Azure as well as the migration of a subset of clients to our multi-tenant, Snowflake and Databricks-enabled data platform environment.
Refer to Note 10 of our consolidated financial statements for additional details regarding the private offering of the Notes and the Capped Calls. 75 Table of Contents Cash Flows The following table summarizes our cash flows for the years ended December 31, 2022, 2021, and 2020: Year Ended December 31, 2022 2021 2020 (in thousands) Net cash used in operating activities $ (35,270) $ (23,123) $ (26,148) Net cash used in investing activities (39,021) (139,678) (82,565) Net cash provided by financing activities (2,613) 264,084 182,609 Effect of exchange rate changes on cash and cash equivalents (11) (10) 26 Net increase (decrease) in cash and cash equivalents $ (76,915) $ 101,273 $ 73,922 Operating activities Our largest source of operating cash flows is cash collections from our clients for technology and professional services arrangements.
Refer to Note 10 of our consolidated financial statements for additional details regarding the private offering of the Notes and the Capped Calls. 78 Table of Contents Cash Flows The following table summarizes our cash flows for the years ended December 31, 2023, 2022, and 2021: Year Ended December 31, 2023 2022 2021 (in thousands) Net cash used in operating activities $ (33,080) $ (35,270) $ (23,123) Net cash provided by (used in) investing activities 20,293 (39,021) (139,678) Net cash provided by (used in) financing activities 2,730 (2,613) 264,084 Effect of exchange rate changes on cash and cash equivalents 21 (11) (10) Net (decrease) increase in cash and cash equivalents $ (10,036) $ (76,915) $ 101,273 Operating activities Our largest source of operating cash flows is cash collections from our clients for technology and professional services arrangements.
As part of our Tech-enabled Managed Services contracts, we often re-badge existing health system team members within the applicable functional area as Health Catalyst team members.
As part of our TEMS contracts, we often re-badge existing health system team members within the applicable functional area as Health Catalyst team members.
For the years ended December 31, 2022, 2021, and 2020, technology revenue represented 64%, 61%, and 58% of total revenue, respectively, and professional services revenue represented 36%, 39%, and 42% of total revenue, respectively. 67 Table of Contents Technology revenue. Technology revenue primarily consists of subscription fees charged to clients for access to use our data platform and analytics applications.
For the years ended December 31, 2023, 2022, and 2021, technology revenue represented 63%, 64%, and 61% of total revenue, respectively, and professional services revenue represented 37%, 36%, and 39% of total revenue, respectively. Technology revenue. Technology revenue primarily consists of subscription fees charged to clients for access to use our data platform and analytics applications.
We benefit from a highly recurring revenue model, in which greater than 90% of our revenue is recurring in nature, and a high level of technology revenue predictability, especially within our DOS Subscription Clients whose contracts typically have built-in, contractual technology revenue escalators.
We benefit from a highly recurring revenue model, in which greater than 90% of our revenue is recurring in nature, and a high level of technology revenue predictability, especially within our DOS Subscription Clients whose contracts, when sold as a bundle with our analytics applications, often have built-in, contractual technology revenue escalators.
We believe Adjusted Gross Profit and Adjusted Gross Margin are useful to investors as they eliminate the impact of certain non-cash expenses and allow a direct comparison of these measures between periods without the impact of non-cash expenses and certain other non-recurring operating expenses. We present both of these measures for our technology and professional services business.
We believe Adjusted Gross Profit and Adjusted Gross Margin are useful to investors as they eliminate the impact of certain non-cash expenses, as well as certain other non-recurring operating expenses, and allow a direct comparison of these measures between periods without the impact of non-cash expenses and certain other non-recurring operating expenses.
During the year ended December 31, 2022, we repurchased and retired 709,139 shares of our common stock for $8.4 million at an average purchase price of $11.81 per share. The total remaining authorization for future shares of common stock repurchases under our Share Repurchase Plan is $31.6 million as of December 31, 2022.
This is in addition to the 709,139 shares of common stock we repurchased and retired for $8.4 million at an average purchase price of $11.81 per share during the third quarter of 2022. The total remaining authorization for future shares of common stock repurchases under our Share Repurchase Plan is $29.8 million as of December 31, 2023.
The health system end market, in particular, is experiencing meaningful financial strain, in which it has realized significant increases in labor and supply costs without a commensurate increase in revenue, leading to a deterioration in operating margins across many of our clients and prospective clients. We anticipate this dynamic to persist for at least the next few quarters.
The health system end market, in particular, is experiencing meaningful financial strain, in which it has realized significant increases in labor and supply costs without a commensurate increase in revenue, leading to a deterioration in operating margins across many of our clients and prospective clients.
Our primary uses of cash from operating activities are for employee-related expenses, marketing expenses, and technology costs. For the year ended December 31, 2022, net cash used in operating activities was $35.3 million, which included a net loss of $137.4 million.
Our primary uses of cash from operating activities are for employee-related expenses, marketing expenses, and technology costs. For the year ended December 31, 2023, net cash used in operating activities was $33.1 million, which included a net loss of $118.1 million.
Because of the uncertainty of the realization of the deferred tax assets, we have a full valuation allowance for our net deferred tax assets, including net operating loss carryforwards (NOLs) and tax credits related primarily to research and development.
Income tax benefit Income tax benefit consists of U.S. federal, state, and foreign income taxes. Because of the uncertainty of the realization of the deferred tax assets, we have a full valuation allowance for our net deferred tax assets, including net operating loss carryforwards (NOLs) and tax credits related primarily to research and development.
Although subscription revenue from individual DOS Subscription Client arrangements may vary dramatically, we generally expect average subscription revenue for new DOS Subscription Clients in a calendar year will range between $500,000 and $1,500,000.
Although subscription revenue from individual DOS Subscription Client arrangements may vary dramatically based on the type and number of DOS modules and applications included in new contracts, we generally expect average subscription revenue for new DOS Subscription Clients in a calendar year will range between $500,000 and $1,500,000.
While this expected change in revenue mix will likely lead to lower Adjusted Professional Services Gross Margin and Total Adjusted Gross Margin in 2023 as compared to prior years, we expect that we will continue to achieve improvements in our Adjusted EBITDA as a result of the minimal incremental operating expense required to support our Tech-enabled Managed Services growth.
While this change in bookings mix will lead to lower Adjusted Professional Services Gross Margin and Total Adjusted Gross Margin in future years, we expect that we will achieve improvements in Adjusted EBITDA as a result of the minimal incremental operating expense required to support our TEMS growth.
This margin pressure along with the lingering effects the COVID-19 pandemic could continue to decrease healthcare industry spending, adversely affect demand for our technology and services, cause one or more of our clients to file for bankruptcy protection or go out of business, cause one or more of our clients to fail to renew, terminate, or renegotiate their contracts, affect the ability of our sales team to travel to potential clients and the ability of our professional services teams to conduct in-person services and trainings, impact expected spending from new clients, negatively impact collections of accounts receivable, and harm our business, results of operations, and financial condition.
This margin pressure could continue to decrease healthcare industry spending, adversely affect demand for our technology and services, cause one or more of our clients to file for bankruptcy protection or go out of business, cause one or more of our clients to fail to renew, terminate, or renegotiate their contracts, impact expected spending from new clients, negatively impact collections of accounts receivable, and harm our business, results of operations, and financial condition.
Although we expect cost of technology revenue to increase in absolute dollars as we increase headcount, cloud computing, and hosting costs to accommodate growth, and as we continue to transition clients to third-party hosted data centers with Microsoft Azure and the migration of clients to the next iteration of our DOS platform, we anticipate cost of technology revenue as a percentage of technology revenue will generally decrease over the long term.
Cost of technology revenue primarily consists of costs associated with hosting and supporting our technology, including third-party cloud computing and hosting costs, license and revenue share fees, contractor costs, and salary and related personnel costs for our cloud services and support teams. 70 Table of Contents Although we expect cost of technology revenue to increase in absolute dollars as we increase headcount, cloud computing, and hosting costs to accommodate growth, and as we continue to transition clients to third-party hosted data centers with Microsoft Azure and the migration of clients to the next iteration of our DOS platform, we anticipate cost of technology revenue as a percentage of technology revenue will generally decrease over the long term.
The increase was primarily due to a $4.0 million increase in cloud computing and hosting costs largely from the expanded use of Microsoft Azure to serve existing and new clients, a $1.9 million increase in dues, subscriptions, and license and revenue share fees, a $1.8 million increase in salary and related personnel costs from an increase in cloud services and support headcount, and a $1.2 million increase in contractors and outside services.
The increase was primarily due to a $3.8 million increase in cloud computing and hosting costs largely from the expanded use of Microsoft Azure to serve existing and new clients, a $1.7 million increase in license and revenue share fees, a $0.5 million increase in salary and related personnel costs.
These investing cash outflows were partially offset by the sale and maturity of short-term investments of $219.1 million, reduced by the purchases of short-term investments of $189.5 million. 76 Table of Contents Financing activities Net cash used in financing activities for the year ended December 31, 2022 of $2.6 million was primarily the result of $8.4 million in repurchases of common stock and $1.3 million in payments of acquisition-related obligations, partially offset by $4.0 million in stock option exercise proceeds and $3.2 million in proceeds from our ESPP.
Net cash used in financing activities for the year ended December 31, 2022 of $2.6 million was primarily the result of $8.4 million in repurchases of common stock and $1.3 million in payments of acquisition-related obligations, partially offset by $4.0 million in stock option exercise proceeds and $3.2 million in proceeds from our ESPP.
We derive substantially all of our revenue through subscriptions for use of our technology and professional services on a recurring basis. In 2022, greater than 90% of our total revenue was recurring in nature.
The increase in Other Clients from 2022 to 2023 was primarily due to our acquisition of ERS. We derive substantially all of our revenue through subscriptions for use of our technology and professional services on a recurring basis. In 2023, greater than 90% of our total revenue was recurring in nature.
Adjusted EBITDA Adjusted EBITDA is a non-GAAP financial measure that we define as net loss adjusted for (i) interest and other (income) expense, net, (ii) loss on extinguishment of debt, (iii) income tax provision (benefit), (iv) depreciation and amortization, (v) stock-based compensation, (vi) acquisition-related costs, net, including the change in fair value of contingent consideration liabilities for potential earn-out payments, (vii) restructuring costs, and (viii) non-recurring lease-related charges.
Adjusted EBITDA Adjusted EBITDA is a non-GAAP financial measure that we define as net loss adjusted for (i) interest and other (income) expense, net, (ii) income tax provision (benefit), (iii) depreciation and amortization, (iv) stock-based compensation, (v) acquisition-related costs, net, (vi) litigation costs, (vii) restructuring costs, and (viii) non-recurring lease-related charges.
Technology revenue was $176.3 million, or 64% of total revenue, for the year ended December 31, 2022, compared to $147.7 million, or 61% of total revenue, for the year ended December 31, 2021.
Technology revenue was $187.6 million, or 63% of total revenue, for the year ended December 31, 2023, compared to $176.3 million, or 64% of total revenue, for the year ended December 31, 2022.
The year-over-year result was mainly driven by existing clients paying higher technology access fees from contractual, built-in escalators, without the corresponding increase in hosting costs. The increase was offset by headwinds due to the continued costs associated with transitioning a portion of our client base to Azure-hosted environments as well as increased support costs without a commensurate increase in revenue.
The year-over-year result was mainly driven by continued costs associated with transitioning a portion of our client base to Azure-hosted environments, as well as from costs associated with migrating a subset of our client base to our multi-tenant, Snowflake and Databricks-enabled data platform environment, partially offset by existing clients paying higher technology access fees from contractual, built-in escalators, without a corresponding increase in hosting costs.
Cost of professional services revenue was $86.4 million for the year ended December 31, 2022, compared to $76.8 million for the year ended December 31, 2021, an increase of $9.6 million, or 12%.
Cost of professional services revenue was $101.6 million for the year ended December 31, 2023, compared to $86.4 million for the year ended December 31, 2022, an increase of $15.2 million, or 18%.
The $9.1 million of payments in excess of the acquisition date fair value to settle the cash-based portion of contingent consideration liabilities was included in the net cash used in operating activities. For the year ended December 31, 2020, net cash used in operating activities was $26.1 million, which included a net loss of $115.0 million.
The $9.1 million of payments in excess of the acquisition date fair value to settle the cash-based portion of contingent consideration liabilities was included in the net cash used in operating activities.
We proactively responded to the challenging macroeconomic environment with a strategic operating plan that emphasizes our offerings and go-to-market approach on the areas where we have the most competitive differentiation and where clients are most likely to achieve measurable financial and operational ROI both in the near term and over time.
We continue to proactively respond to the challenging macroeconomic environment with a strategic operating plan that emphasizes our offerings and go-to-market approach in the areas where we have the most competitive differentiation and where clients are most likely to achieve measurable financial and operational ROI both in the near term and over time. 61 Table of Contents We believe this focus will enable us to move forward in a position of continued competitive and financial strength.
We expect Adjusted Professional Services Gross Margin to fluctuate on a quarterly basis and to decline in the near term due to changes in the mix of services we provide, the amount of operational overhead required to deliver our services, and clients delaying or reducing services due to the uncertain and challenging macroeconomic environment.
We expect that the workforce reductions that are part of the 2023 Restructuring Plan will have a positive impact on Adjusted Professional Services Gross Margin; however, we still expect Adjusted Professional Services Gross Margin to fluctuate on a quarterly basis due to changes in the mix of services we provide, the amount of operational overhead required to deliver our services, and clients delaying or reducing services due to the uncertain and challenging macroeconomic environment.
The average subscription revenue for DOS Subscription Clients signed in the twelve-month period ended December 31, 2022 (2022 DOS Subscription Clients), for instance, was towards the midpoint of the average expected range, in part driven by some heightened interest in stand-alone DOS module components, such as Healthcare.AI, which results in subscription revenue that is significantly lower than subscription revenue derived from a contract that includes direct access to all of the DOS platform components.
The average subscription revenue for DOS Subscription Clients signed in the twelve-month period ended December 31, 2023 (2023 DOS Subscription Clients), for instance, was below the midpoint of the average expected range noted in the preceding paragraph, driven primarily by greater growth opportunity through stand-alone DOS module components, such as Healthcare.AI, which resulted in subscription revenue that is significantly lower than subscription revenue derived from a contract that includes enterprise access to all of the DOS platform components and analytic applications.
For additional details refer to Notes 1, 2, and 7 in our consolidated financial statements. (2) Restructuring costs include severance and other team member costs from workforce reductions, impairment of discontinued capitalized software projects, and other miscellaneous charges. For additional details, refer to Note 11 in our consolidated financial statements.
(3) Restructuring costs include severance and other team member costs from workforce reductions, impairment of discontinued capitalized software projects, and other miscellaneous charges. For additional details, refer to Note 11 in our consolidated financial statements. (4) Non-recurring lease-related charges includes lease-related impairment charges for the subleased portion of our corporate headquarters.
Key Factors Affecting Our Performance We believe that our future growth, success, and performance are dependent on many factors, including those set forth below.
For additional details refer to Note 9 in our consolidated financial statements. Key Factors Affecting Our Performance We believe that our future growth, success, and performance are dependent on many factors, including those set forth below.
We believe these non-GAAP measures are useful in evaluating our operating performance compared to that of other companies in our industry, as these metrics generally eliminate the effects of certain items that may vary from company to company for reasons unrelated to overall profitability. 62 Table of Contents The following is a reconciliation of revenue to our Adjusted Gross Profit and Adjusted Gross Margin in total and for technology and professional services for the years ended December 31, 2022, 2021, and 2020: Year Ended December 31, 2022 (in thousands, except percentages) Technology Professional Services Total Revenue $ 176,288 $ 99,948 $ 276,236 Cost of revenue, excluding depreciation and amortization (56,642) (86,407) (143,049) Gross profit, excluding depreciation and amortization 119,646 13,541 133,187 Add: Stock-based compensation 2,058 8,230 10,288 Acquisition-related costs, net (1) 351 655 1,006 Restructuring costs (2) 229 1,139 1,368 Adjusted Gross Profit $ 122,284 $ 23,565 $ 145,849 Gross margin, excluding depreciation and amortization 68 % 14 % 48 % Adjusted Gross Margin 69 % 24 % 53 % __________________ (1) Acquisition-related costs, net include deferred retention expenses following the ARMUS, KPI Ninja, and Twistle acquisitions.
Year Ended December 31, 2022 (in thousands, except percentages) Technology Professional Services Total Revenue $ 176,288 $ 99,948 $ 276,236 Cost of revenue, excluding depreciation and amortization (56,642) (86,407) (143,049) Gross profit, excluding depreciation and amortization 119,646 13,541 133,187 Add: Stock-based compensation 2,058 8,230 10,288 Acquisition-related costs, net (1) 351 655 1,006 Restructuring costs (2) 229 1,139 1,368 Adjusted Gross Profit $ 122,284 $ 23,565 $ 145,849 Gross margin, excluding depreciation and amortization 68 % 14 % 48 % Adjusted Gross Margin 69 % 24 % 53 % __________________ (1) Acquisition-related costs, net includes deferred retention expenses following the ARMUS, KPI Ninja, and Twistle acquisitions.
The purchase resulted in Health Catalyst acquiring 100% ownership in Able Health. The earn-out contingent consideration liability was settled during the first quarter of 2021. Components of Our Results of Operations Revenue We derive our revenue from sales of technology and professional services.
The earn-out contingent consideration liability was settled during the third quarter of 2022. Components of Our Results of Operations Revenue We derive our revenue from sales of technology and professional services.
Other Clients that do not meet the definition of a DOS Subscription Client, which are primarily legacy Medicity, Able Health, Healthfinch, Vitalware, Twistle, KPI Ninja, and ARMUS clients, are not included in the Dollar-based Retention Rate metrics. 61 Table of Contents Given the nature of our technology contracts, which, for many DOS platform clients, are generally priced for multi-year periods and have built-in, contractual escalators, we would generally anticipate less variation within our Dollar-based Retention Rate for technology fees as a result of current challenging macroeconomic factors.
Given the nature of our technology contracts, which, for many DOS Subscription Clients, are generally priced for multi-year periods and have built-in, contractual escalators, we would generally anticipate less variation within our Dollar-based Retention Rate for technology fees as a result of current challenging macroeconomic factors.
For these technology arrangements, we generally use the residual estimation method due to a limited number of standalone transactions and/or prices that are highly variable.
Standalone selling prices are not directly observable for our all-access and limited-access technology arrangements, which are composed of cloud-based subscriptions, time-based licenses, and perpetual licenses. For these technology arrangements, we generally use the residual estimation method due to a limited number of standalone transactions and/or prices that are highly variable.
General and administrative Year Ended December 31, 2022 2021 $ Change % Change (in thousands, except percentages) General and administrative $ 61,701 $ 85,934 $ (24,233) (28) % Percentage of total revenue 22 % 36 % General and administrative expenses were $61.7 million for the year ended December 31, 2022, compared to $85.9 million for the year ended December 31, 2021, a decrease of $24.2 million, or (28)%.
General and administrative Year Ended December 31, 2023 2022 $ Change % Change (in thousands, except percentages) General and administrative $ 76,559 $ 61,701 $ 14,858 24 % Percentage of total revenue 26 % 22 % General and administrative expenses were $76.6 million for the year ended December 31, 2023, compared to $61.7 million for the year ended December 31, 2022, an increase of $14.9 million, or 24%.
This increase was primarily due to a $6.0 million increase in salary and related personnel costs from additional headcount, a $2.2 million increase in contractor and outside service fees, and a $1.1 million increase in restructuring costs. 72 Table of Contents Operating Expenses Sales and marketing Year Ended December 31, 2022 2021 $ Change % Change (in thousands, except percentages) Sales and marketing $ 87,514 $ 75,027 $ 12,487 17 % Percentage of total revenue 32 % 31 % Sales and marketing expenses were $87.5 million for the year ended December 31, 2022, compared to $75.0 million for the year ended December 31, 2021, an increase of $12.5 million, or 17%.
This increase was primarily due to a $14.2 million increase in salary and related personnel costs from additional professional services headcount, including new TEMS headcount, a $1.4 million increase in contractor and outside service fees, and a $0.7 million increase in restructuring costs, which were partially offset by a $0.9 million decrease in stock-based compensation. 75 Table of Contents Operating Expenses Sales and marketing Year Ended December 31, 2023 2022 $ Change % Change (in thousands, except percentages) Sales and marketing $ 67,321 $ 87,514 $ (20,193) (23) % Percentage of total revenue 23 % 32 % Sales and marketing expenses were $67.3 million for the year ended December 31, 2023, compared to $87.5 million for the year ended December 31, 2022, a decrease of $20.2 million, or 23%.
Income tax benefit Year Ended December 31, 2022 2021 $ Change % Change (in thousands, except percentages) Income tax benefit $ (4,280) $ (6,898) $ 2,618 (38) % __________________________ (1) Not meaningful. Income tax benefit decreased $2.6 million, or 38%, for the year ended December 31, 2022 compared to the year ended December 31, 2021.
Income tax provision (benefit) Year Ended December 31, 2023 2022 $ Change % Change (in thousands, except percentages) Income tax provision (benefit) $ 356 $ (4,280) $ 4,636 n/m (1) __________________________ (1) Not meaningful. Income tax provision (benefit) increased by $4.6 million for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Since inception, we have financed our operations primarily from the proceeds we received through private sales of equity securities, payments received from clients under technology and professional services arrangements, borrowings under our loan and security agreements, our IPO, the Note Offering, and the Secondary Public Equity Offering.
Our cash equivalents and short-term investments are comprised primarily of money market funds, U.S. treasury notes, commercial paper, corporate bonds, and U.S. agency securities. 77 Table of Contents Since inception, we have financed our operations primarily from the proceeds we received through private sales of equity securities, payments received from clients under technology and professional services arrangements, borrowings under our loan and security agreements, our IPO, the Note Offering, and the Secondary Public Equity Offering.
The increase was primarily due to a $5.4 million increase in stock-based compensation, a $3.0 million increase in restructuring costs, a $2.0 million increase in salary and related personnel costs from additional headcount, and a $1.2 million increase from travel and entertainment.
The decrease was primarily due to a $8.4 million decrease in salary and related personnel costs from a reduction in headcount in connection with the 2022 Restructuring Plan, a $7.1 million decrease in stock-based compensation, a $3.5 million decrease in HAS event costs related to a change in timing of the event, and a $0.5 million decrease in travel and entertainment expenses.
We categorize our client count into two primary categories: DOS Subscription Clients and Other Clients. DOS Subscription Clients are defined as clients who directly or indirectly access our DOS platform via a technology subscription contract. Indirect access to the DOS platform may include DOS module components such as Healthcare.AI, Pop Analyzer, IDEA, and other DOS platform components.
DOS Subscription Clients are defined as clients who directly or indirectly access our DOS platform via a technology subscription contract. Indirect access to the DOS platform may include DOS module components such as Healthcare.AI, Pop Analyzer, IDEA, and other DOS platform components. See “Key Business Metrics and Non-GAAP Financial Measures” below for more information about our DOS Subscription Clients.
See “Reconciliation of Non-GAAP Financial Measures” below for information regarding the limitations of using our Adjusted EBITDA as a financial measure and for a reconciliation of our net loss to Adjusted EBITDA, the most directly comparable financial measure calculated in accordance with GAAP. 60 Table of Contents Other Key Metrics We also regularly monitor and review the number of DOS Subscription Clients and Dollar-based Retention Rate as shown in the following tables: DOS Subscription Clients As of December 31, 2022 2021 2020 DOS Subscription Clients 98 90 74 Since 2016, our primary contracting model is a subscription-based contract to our DOS platform, analytics applications, and professional services.
Other Key Metrics We also regularly monitor and review the number of DOS Subscription Clients and Dollar-based Retention Rate as shown in the following tables: DOS Subscription Clients As of December 31, 2023 2022 2021 DOS Subscription Clients 109 98 90 Since 2016, our primary contracting model is a subscription-based contract to our DOS platform, analytics applications, and professional services.
Cost of revenue, excluding depreciation and amortization Year Ended December 31, 2022 2021 $ Change % Change (in thousands, except percentages) Cost of revenue, excluding depreciation and amortization: Technology $ 56,642 $ 47,516 $ 9,126 19 % Professional services 86,407 76,838 9,569 12 % Total cost of revenue, excluding depreciation and amortization $ 143,049 $ 124,354 $ 18,695 15 % Percentage of total revenue 52 % 51 % Cost of technology revenue, excluding depreciation and amortization, was $56.6 million for the year ended December 31, 2022, compared to $47.5 million for the year ended December 31, 2021, an increase of $9.1 million, or 19%.
Cost of revenue, excluding depreciation and amortization Year Ended December 31, 2023 2022 $ Change % Change (in thousands, except percentages) Cost of revenue, excluding depreciation and amortization: Technology $ 62,474 $ 56,642 $ 5,832 10 % Professional services 101,631 86,407 15,224 18 % Total cost of revenue, excluding depreciation and amortization $ 164,105 $ 143,049 $ 21,056 15 % Percentage of total revenue 55 % 52 % Cost of technology revenue, excluding depreciation and amortization, was $62.5 million for the year ended December 31, 2023, compared to $56.6 million for the year ended December 31, 2022, an increase of $5.8 million, or 10%.