Biggest changeNet cash provided by financing activities of $72.9 million for the year ended December 31, 2022 was due primarily to the net proceeds of $96.1 million from borrowings under the SLR Term Loan Facility and the proceeds of $8.0 million from employee exercises of stock options and employee stock purchase plan purchases, partially offset by the cash outflow of $31.2 million in repayment of the SVB Term Loan which included early prepayment and exit fees. 73 Debt Obligations SLR Debt Financing On November 3, 2022 (the Closing Date), we entered into two senior secured credit facilities, which collectively provide for borrowings of up to $300.0 million as follows: (i) up to a $250.0 million term loan facility pursuant to a loan and security agreement (the SLR Loan Agreement) among SLR Investment Corp., as collateral agent (Agent), the lenders from time to time party thereto (the Term Loan Lenders) and us (the SLR Term Loan Facility) and (ii) up to a $50.0 million asset-based revolving credit facility pursuant to a credit agreement (the SLR Revolving Credit Agreement, together with the SLR Loan Agreement, the SLR Credit Facility Agreements) among Gemino Healthcare Finance, LLC d/b/a SLR Healthcare ABL, as lender (ABL Lender), and us (the SLR Revolver, together with the SLR Term Loan Facility, the SLR Credit Facilities).
Biggest changeSLR Debt Financing On November 3, 2022, we entered into two senior secured credit facilities, which collectively provide for borrowings of up to $300.0 million as follows: (i) up to a $250.0 million term loan facility pursuant to a loan and security agreement (the SLR Loan Agreement) among SLR Investment Corp., as collateral agent (SLR Agent), the lenders from time to time party thereto (the Term Loan Lenders) and us (the SLR Term Loan Facility) and (ii) up to a $50.0 million asset-based revolving credit facility pursuant to a credit agreement (the SLR Revolving Credit Agreement, together with the SLR Loan Agreement, the SLR Credit Facility Agreements) among Gemino Healthcare Finance, LLC d/b/a SLR Healthcare ABL, as lender (ABL Lender), and us (the SLR Revolver, together with the SLR Term Loan Facility, the SLR Credit Facilities).
Overview Our technology is designed to elevate the dialysis experience for patients and help providers overcome traditional care delivery challenges. Requiring only an electrical outlet and tap water to operate, Tablo® Hemodialysis System (Tablo) frees patients and providers from the burdensome infrastructure required to operate traditional dialysis machines.
Overview Our technology is designed to elevate the dialysis experience for patients and help providers overcome traditional care delivery challenges. Requiring only an electrical outlet and tap water to operate, our Tablo® Hemodialysis System (Tablo) frees patients and providers from the burdensome infrastructure required to operate traditional dialysis machines.
Investing Activities Net cash provided by investing activities of $83.0 million for the year ended December 31, 2023 was due to the maturities of investment securities of $258.8 million, partially offset by purchases of investment securities of $172.3 million and purchases of property and equipment of $3.4 million.
Net cash provided by investing activities of $83.0 million for the year ended December 31, 2023 was due to the maturities of investment securities of $258.8 million, partially offset by purchases of investment securities of $172.3 million and purchases of property and equipment of $3.4 million.
Financing Activities Net cash provided by financing activities of $43.7 million for the year ended December 31, 2023 was due primarily to the net proceeds of $33.2 million from borrowings under the SLR Term Loan Facility and the proceeds of $10.4 million from employee exercises of stock options and employee stock purchase plan purchases.
Net cash provided by financing activities of $43.7 million for the year ended December 31, 2023 was due primarily to the net proceeds of $33.2 million from borrowings under the SLR Term Loan Facility and the proceeds of $10.4 million from employee exercises of stock options and employee stock purchase plan purchases.
While the significant accounting policies are more fully described in Note 2 to our audited financial statements included elsewhere in this Annual Report, we believe that the following critical accounting policy is most important to understanding and evaluating our reported financial results. 74 Revenue Recognition Our contracts with customers often include multiple performance obligations, such as products and services.
While the significant accounting policies are more fully described in Note 2 to our audited financial statements included elsewhere in this Annual Report, we believe that the following critical accounting policy is most important to understanding and evaluating our reported financial results. Revenue Recognition Our contracts with customers often include multiple performance obligations, such as products and services.
While we expect gross margin to increase over the long term, we also anticipate it will likely fluctuate from quarter to quarter. 69 Operating Expenses Research and Development Research and development expenses primarily consist of personnel and related costs, regulatory fees, consulting services, laboratory supplies and materials expenses, and infrastructure costs including facilities, depreciation and information technology.
While we expect gross margin to increase over the long term, we also anticipate it will likely fluctuate from quarter to quarter. Operating Expenses Research and Development Research and development expenses primarily consist of personnel and related costs, regulatory fees, consulting services, laboratory supplies and materials expenses, and infrastructure costs including facilities, depreciation and information technology.
If we raise additional capital through debt financing (including through our existing debt), we will be subject to an increase in our interest expense which may negatively affect our cash flow. We are subject to covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures or declaring dividends.
We are subject to covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures or declaring dividends. If we raise additional capital through debt financing (including through our existing debt), we may be subject to an increase in our interest expense which may negatively affect our cash flow.
Our sales organization is comprised of our capital sales team, responsible for generating new customer demand for Tablo, and our clinical sales team, responsible for driving utilization and fleet expansion of Tablo at existing customer sites. In addition, our field service team provides maintenance services and product support to our customers.
Our sales organization is comprised of our capital sales team, responsible for generating new customer demand for 68 Tablo, and our clinical sales team, responsible for driving utilization and fleet expansion of Tablo at existing customer sites. In addition, our field service team provides maintenance services and product support to our customers.
The estimates are based on historical experience and on various other factors that are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources.
The estimates are based on historical experience and on various other factors that are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent 76 from other sources.
The net cash outflow from operating assets and liabilities was primarily due to an increase in accounts receivable due to timing of collections and billings, a decrease in accrued expenses and other current liabilities, a decrease in accrued compensation and related benefits, and a decrease in operating lease liabilities.
The net cash outflow from operating assets and liabilities was primarily due to an increase in accounts receivable due to 75 timing of collections and billings, a decrease in accrued expenses and other current liabilities, a decrease in accrued compensation and related benefits, and a decrease in operating lease liabilities.
Impacts of Macroeconomic Factors Global macroeconomic conditions, including inflationary pressures, rising interest rates, increased labor costs, labor shortages and global supply chain disruptions, may impact our business and results of operations, and those of our customers, manufacturing partners and suppliers.
Impacts of Macroeconomic Factors Global macroeconomic conditions, including inflationary pressures, rising interest rates, increased labor costs, staffing shortages and global supply chain disruptions, may impact our business and results of operations, and those of our customers, manufacturing partners and suppliers.
We continue to use our design, engineering, and manufacturing capabilities to further advance and improve the efficiency of our manufacturing processes, which, if successful, we believe will lower production costs and enable us to increase our gross margin.
We continue to use our design, engineering, and manufacturing capabilities to further advance and improve the efficiency of our manufacturing processes, which, if successful, we believe will lower production 71 costs and enable us to increase our gross margin.
Refer to Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations”, located in our annual report on Form 10-K for the year ended December 31, 2022 for reference to discussion of the year ended December 31, 2022, the earliest of the three fiscal years presented.
Refer to Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations”, located in our annual report on Form 10-K for the year ended December 31, 2023 for reference to discussion of the year ended December 31, 2023, the earliest of the three fiscal years presented.
During 2022, our existing and prospective customers faced shortages of skilled nurses and other clinical personnel as well as increased labor costs, combined with economic pressures resulting from general economic and financial market conditions, primarily escalating inflation, tightening hospital operating budgets and increased scrutiny of capital purchase decisions, all of which generally have the effect of lengthening the average sales cycle and elongating the timing of installations.
Beginning in 2022, our existing and prospective customers faced shortages of skilled nurses and other clinical personnel as well as increased labor costs, combined with economic pressures resulting from general economic and financial market conditions, primarily escalating inflation, tightening hospital operating budgets and increased scrutiny of capital purchase decisions, all of which generally have the effect of lengthening the average sales cycle and elongating the timing of installations.
Other sales and marketing expenses include marketing and promotional activities, government affairs, costs of outside consultants, customer services costs, and infrastructure costs including facilities, depreciation, and information technology. Shipping and handling costs, as well as the associated personnel expenses, are included in sales and marketing expenses.
Other sales and marketing expenses include marketing and promotional activities, costs of outside consultants, customer services costs, and infrastructure costs including facilities, depreciation, and information technology. Shipping and handling costs, as well as the associated personnel expenses, are included in sales and marketing expenses.
However, if our customers continue to face prolonged periods of rising interest rates, capital budget constraints, volatility, uncertainty, staffing shortages, rising costs and other financial pressures, whether due to general macroeconomic conditions or otherwise, it could ultimately adversely impact our ability to expand existing customer relationships or attract new customers of Tablo, timely collect amounts due, effectively manage our inventory levels, and have a material adverse effect on our bookings, revenues, results of operations, financial condition, and, ultimately, our future growth and profitability.
However, if our customers continue to face prolonged periods of rising interest rates, capital budget constraints, volatility, uncertainty, staffing shortages, cash flow challenges, rising costs and other financial pressures, whether due to general macroeconomic conditions, cybersecurity events or otherwise, it could ultimately adversely impact our ability to expand existing customer relationships or attract new customers of Tablo, timely collect amounts due, effectively manage our inventory levels, and have a material adverse effect on our bookings, revenues, results of operations, financial condition, and, ultimately, our future growth and profitability.
General and Administrative General and administrative expenses primarily consist of personnel and related costs, accounting and legal expenses, general corporate expenses, employee recruiting and training costs, and infrastructure costs including facilities, depreciation, and information technology. As a percentage of revenue, we expect general and administrative expenses to decrease over the long-term primarily as, and to the extent, our revenue grows.
General and Administrative General and administrative expenses primarily consist of personnel and related costs, accounting and legal expenses, general corporate expenses, and infrastructure costs including facilities, depreciation, and information technology. As a percentage of revenue, we expect general and administrative expenses to decrease over the long-term primarily as, and to the extent, our revenue grows.
For the years ended December 31, 2023, 2022, and 2021, sales of our consoles, which includes Tablo consoles and accessories, accounted for 47%, 56% and 63% of our revenue, respectively. We also earn recurring revenue from sales of consumables, including Tablo cartridge, and services, which generates significant total revenue over the life of Tablo console.
For the years ended December 31, 2024, 2023, and 2022, sales of our consoles, which includes Tablo consoles and accessories, accounted for 26%, 47% and 56% of our revenue, respectively. We also earn recurring revenue from sales of consumables, including Tablo cartridge, and services, which generates significant total revenue over the life of Tablo console.
First, although we evaluated TabloCart with Prefiltration prior to marketing and distributing the product and concluded that no marketing authorization was necessary, we paused distribution of TabloCart with Prefiltration pending the FDA’s review and clearance of a 510(k) application. Second, we submitted to the FDA a 510(k) application for TabloCart with Prefiltration in September 2023.
Although we evaluated TabloCart with Prefiltration prior to marketing and distributing the product and concluded that no marketing authorization was necessary, we paused distribution of TabloCart with Prefiltration pending the FDA’s review and clearance of a 510(k) application for the same that we submitted in September 2023.
Our field sales and service teams represent 48% of our total full-time employees as of December 31, 2023. The same sales organization and field service team drive Tablo penetration in both the acute and home markets.
Our field sales and service teams represent 52% of our total full-time employees as of December 31, 2024. The same sales organization and field service team drive Tablo penetration in both the acute and home markets.
For the years ended December 31, 2023, 2022, and 2021, sales of our consumables accounted for 32%, 25% and 19% of our revenue, respectively, and sales of service and other accounted for 21%, 19% and 18% of our revenue, respectively. 66 We primarily sell our solutions through our direct sales organization, which covers most major metropolitan markets in the United States.
For the years ended December 31, 2024, 2023, and 2022, sales of our consumables accounted for 45%, 32% and 25% of our revenue, respectively, and sales of service and other accounted for 29%, 21% and 19% of our revenue, respectively. We primarily sell our solutions through our direct sales organization, which covers most major metropolitan markets in the United States.
Moreover, we believe that localizing production of a majority of Tablo cartridges in Mexico (to our Mexico-based contract manufacturer and, more recently, in-house at our manufacturing facility) has helped achieve cost reductions through lower freight costs, further our long-term gross margin expansion and supply continuity strategies and improve the flexibility of our operations.
We believe that localizing production of a majority of Tablo cartridges in Mexico (in-house at our manufacturing facility) has helped achieve cost reductions through lower freight costs, further our long-term gross margin expansion and supply continuity strategies and improve the flexibility of our operations.
Over the past three years, we have moved the production of Tablo consoles and a majority of Tablo cartridges in-house at our manufacturing facility in Tijuana, Mexico which we operate in collaboration with TACNA as part of our cost reduction activities.
In addition, over the past several years, we have moved the production of Tablo consoles and a majority of Tablo 69 cartridges in-house to our manufacturing facility in Tijuana, Mexico which we operate in collaboration with TACNA as part of our cost reduction activities.
The net cash outflow from operating assets and liabilities was partially offset by an increase in deferred revenue due to the growth in service agreements and an increase in accrued expenses and other current liabilities.
The net cash outflow from operating assets and liabilities was partially offset by an increase in deferred revenue due to the growth in service agreements and a decrease in prepaid expenses and other assets.
These factors negatively impacted our customer base on pipeline development and installation schedules, which, in turn, negatively impacted our bookings, delayed our shipments and adversely impacted our revenues for 2022. We have generally seen some stabilization in these challenging labor market dynamics for healthcare providers in 2023 as compared to the prior year.
These factors negatively impacted our customer base on pipeline development and installation schedules, which, in turn, negatively impacted our bookings, delayed our shipments and adversely impacted our revenues for 2022 and, to a lesser extent, 2023. We have generally seen some stabilization in these challenging labor market dynamics for healthcare providers during 2023 and thereafter as compared to 2022.
Further, we will continue to utilize our cloud-based data system, as well as enhanced product performance, to better support our field service team and drive down service costs per console.
Further, we will continue to utilize our cloud-based data system, as well as enhanced product and support performance, to improve service margin and drive down service costs per console.
In addition, in limited instances, we may enter into console operating lease arrangements that contain lease and non-lease components. Our product and services revenues are generated primarily through direct sales to customers in the United States.
Components of Operating Results Revenue We generate our revenue primarily from the sale of products and services. In addition, in limited instances, we may enter into console operating lease arrangements that contain lease and non-lease components. Our product and services revenues are generated primarily through direct sales to customers in the United States.
In addition, our ability to expand gross margins will depend in part on our ability to control the average selling prices of our products and services, including by selling higher-margin accessories, consumables and services. Our ability to expand gross margins depends on our ability to successfully execute these strategies.
Our ability to expand gross margins will also depend in part on our ability to control the average selling prices of our products and services, including by selling higher-margin accessories, consumables and services.
However, we may face increased supply 68 chain constraints in the future, which could negatively impact our ability to meet customer demand on a timely basis, result in customer dissatisfaction and adversely impact our operating margins and results of operations. Components of Operating Results Revenue We generate our revenue primarily from the sale of products and services.
However, we may face increased 70 supply chain constraints in the future, which could negatively impact our ability to meet customer demand on a timely basis, result in customer dissatisfaction and adversely impact our operating margins and results of operations.
We expect our stock-based compensation expense allocated to cost of revenue, research and development expenses, sales and marketing expenses, and general and administrative expenses to increase in absolute dollars as we issue additional stock-based awards under our equity incentive plan and employee stock purchase plan to attract and retain employees.
We expect our stock-based compensation expense allocated to cost of revenue, research and development expenses, sales and marketing expenses, and general and administrative expenses to fluctuate based on our stock price at particular points in time as we issue additional stock-based awards under our equity incentive plan and employee stock purchase plan to attract and retain employees.
Our ability to successfully address the factors below is subject to various risks and uncertainties, including those described in the section titled “Risk Factors.” Market Acceptance of Tablo in Acute Setting We plan to further broaden our installed base by continuing to target national and regional IDNs and health systems, sub-acute long-term acute care hospitals (LTACHs) and skilled nursing facilities (SNFs).
Our ability to successfully address the factors below is subject to various risks and uncertainties, including those described in the section titled “Risk Factors.” Market Acceptance of Tablo in Acute Setting We plan to further broaden our installed base by continuing to target national and regional IDNs and health systems, as well as SNFs, LTACHs and other post-acute providers.
As a percentage of revenue, however, we expect sales and marketing expenses to continue to decrease over the long-term primarily as, and to the extent, our revenue grows.
We plan to continue to invest in infrastructure to support our growth and expect sales and marketing expenses as a percentage of revenue to continue to decrease over the long-term primarily as, and to the extent, our revenue grows.
We have a full valuation allowance for deferred tax assets, including net operating loss carryforwards and tax credits related primarily to research and development.
Provision for Income Taxes Provision for income taxes primarily consists of foreign taxes in Mexico. We have a full valuation allowance for deferred tax assets, including net operating loss carryforwards and tax credits related primarily to research and development.
Cash Flows Summary The following table summarizes the cash flows for each of the periods indicated (in thousands): Years Ended December 31, 2023 2022 2021 Net cash (used in) provided by: Operating activities $ (131,373 ) $ (145,729 ) $ (130,264 ) Investing activities 83,026 (66,295 ) (142,507 ) Financing activities 43,652 72,898 160,147 Net decrease in cash, cash equivalents and restricted cash $ (4,695 ) $ (139,126 ) $ (112,624 ) Operating Activities Net cash used in operating activities of $131.4 million for the year ended December 31, 2023 was due to a net loss of $172.8 million and a net cash outflow from the change in our operating assets and liabilities of $0.8 million, partially adjusted by the primary non-cash adjustments for stock-based compensation expense of $38.6 million, amortization of premium on investments of $6.4 million, depreciation and amortization of $5.8 million, non-cash interest expense of $1.8 million, and non-cash lease expense of $1.3 million.
Cash Flows Summary The following table summarizes the cash flows for each of the periods indicated (in thousands): Years Ended December 31, 2024 2023 2022 Net cash (used in) provided by: Operating activities $ (116,303 ) $ (131,373 ) $ (145,729 ) Investing activities 103,938 83,026 (66,295 ) Financing activities 67,870 43,652 72,898 Net increase (decrease) in cash, cash equivalents and restricted cash $ 55,505 $ (4,695 ) $ (139,126 ) Operating Activities Net cash used in operating activities of $116.3 million for the year ended December 31, 2024 was due to a net loss of $128.0 million, a net cash outflow from the change in our operating assets and liabilities of $25.7 million, and amortization of premium on investments of $4.7 million, partially adjusted by the primary non-cash adjustments for stock-based compensation expense of $29.4 million, depreciation and amortization of $5.7 million, non-cash interest expense of $2.6 million, allowance for credit losses of $2.4 million, and non-cash lease expense of $1.4 million.
We believe that our existing cash, cash equivalents and short-term investments, cash generated from sales, and proceeds received from the debt financing described below under “Debt 72 Obligations ‒ SLR Debt Financing”, will be sufficient to meet our anticipated needs for at least the next 12 months from the issuance date of this Annual Report.
We believe that our existing cash, cash equivalents and short-term investments, cash generated from sales, and proceeds recently received from the debt financing described below under “Debt Obligations ‒ Perceptive Credit Agreement” as well as proceeds received from the Private Placement described in Note 13 to the financial statements will be sufficient to meet our anticipated needs for at least the next 12 months from the issuance date of this Annual Report.
The increase in interest expense for the year ended December 31, 2023 as compared to the prior year was due to the increase in interest rate and a full year of outstanding balance under the SLR Term Loan Facility in 2023 as compared to only two months of outstanding balance of such facility in 2022.
The increase in interest expense for the year ended December 31, 2024 as compared to the prior year was due to the increase in interest rate and higher outstanding balance under the SLR Term Loan Facility in 2024 as compared to 2023.
In studies and surveys we have conducted, patients have reported quality of life benefits on Tablo compared to other dialysis machines. We believe Tablo empowers patients, who have traditionally been passive recipients of care, to regain agency and ownership of their treatment. Driving adoption of Tablo in the acute care setting has been our primary focus to date.
We believe Tablo empowers patients, who have traditionally been passive recipients of care, to regain agency and ownership of their treatment. Driving adoption of Tablo in the acute care setting has been our primary focus to date.
Recent Accounting Pronouncements Refer to Note 2, “Summary of Significant Accounting Policies” in our audited financial statements included in Part II, Item 8 of this Annual Report for a discussion of recent accounting pronouncements that may impact us.
Recent Accounting Pronouncements Refer to Note 2, “Summary of Significant Accounting Policies” in our audited financial statements included in Part II, Item 8 of this Annual Report for a discussion of recent accounting pronouncements that may impact us. Item 7A. Quantitative and Qualitati ve Disclosures About Market Risk. Not applicable. 77
We plan to continue to invest in our research and development efforts to grow our economic and clinical evidence, enhance existing products and develop new products and service offerings and expect research and development expenses to vary over time, depending on the level and timing of the enhancement of the existing products and new product or service development initiatives.
We plan to continue to invest in our research and development efforts to grow our economic and clinical evidence, and enhance existing products to improve reliability and reduce costs. We expect research and development expenses to vary over time, depending on the level and timing of the enhancement of the existing products as well as cost reduction initiatives.
The net cash outflow from operating assets and liabilities was primarily due to an increase in inventories due to the timing of inventory purchases including advance purchases of inventory to mitigate supply chain disruptions, a decrease in accrued compensation and related benefits, an increase in accounts receivable due to timing of collections, a decrease in accounts payable due to timing of vendor payments, an increase in prepaid expenses and other assets, and a decrease in operating lease liabilities.
The net cash outflow from operating assets and liabilities was primarily due to an increase in inventories, a decrease in accrued expenses and other current liabilities, an increase in accounts receivable due to timing of collections and billings, decreases in accounts payable, accrued compensation and related benefits, accrued warranty liabilities, and operating lease liabilities.
The first observation asserts that certain content reviewed by the FDA and found on our website promotes CRRT, a modality outside of the current indications for Tablo. The second observation asserts that TabloCart with Prefiltration requires prior 510(k) clearance for marketing authorization. TabloCart with Prefiltration is an accessory to Tablo launched in the third quarter of 2022.
The first observation asserted that certain content reviewed by the FDA and found on our website promotes Continuous Renal Replacement Therapy (CRRT), a modality outside of the current indications for Tablo. The second observation asserted that TabloCart with Prefiltration required prior 510(k) clearance for marketing authorization.
Results of Operations In this section, we discuss the results of our operations for the year ended December 31, 2023 compared to the year ended December 31, 2022. 70 The following table sets forth, for the years indicated, our results of operations (in thousands): Years Ended December 31, 2023 2022 2021 Revenue: Product revenue $ 103,537 $ 93,388 $ 84,312 Service and other revenue 26,839 21,987 18,290 Total revenue 130,376 115,375 102,602 Cost of revenue: Cost of product revenue 74,454 82,510 84,639 Cost of service and other revenue 26,922 15,032 10,355 Total cost of revenue 101,376 97,542 94,994 Gross profit 29,000 17,833 7,608 Operating expenses: Research and development 57,307 48,855 36,741 Sales and marketing 96,232 89,482 65,070 General and administrative 45,231 40,515 36,316 Total operating expenses 198,770 178,852 138,127 Loss from operations (169,770 ) (161,019 ) (130,519 ) Interest income and other income, net 10,171 3,291 498 Interest expense (12,675 ) (3,566 ) (1,715 ) Loss on extinguishment of term loan — (1,367 ) — Loss before provision for income taxes (172,274 ) (162,661 ) (131,736 ) Provision for income taxes 523 295 199 Net loss $ (172,797 ) $ (162,956 ) $ (131,935 ) Revenue Years Ended December 31, Change (dollars in thousands) 2023 2022 $ % Revenue: Product revenue $ 103,537 $ 93,388 $ 10,149 11 % Service and other revenue 26,839 21,987 4,852 22 % Total revenue $ 130,376 $ 115,375 15,001 13 % Product revenue increased by $10.1 million, or 11%, for the year ended December 31, 2023 as compared to the prior year.
Results of Operations In this section, we discuss the results of our operations for the year ended December 31, 2024 compared to the year ended December 31, 2023. 72 The following table sets forth, for the years indicated, our results of operations (in thousands): Years Ended December 31, 2024 2023 2022 Revenue: Product revenue $ 80,977 $ 103,537 $ 93,388 Service and other revenue 32,712 26,839 21,987 Total revenue 113,689 130,376 115,375 Cost of revenue: Cost of product revenue 46,449 74,454 82,510 Cost of service and other revenue 28,676 26,922 15,032 Total cost of revenue 75,125 101,376 97,542 Gross profit 38,564 29,000 17,833 Operating expenses: Research and development 38,397 57,307 48,855 Sales and marketing 70,044 96,232 89,482 General and administrative 43,498 45,231 40,515 Total operating expenses 151,939 198,770 178,852 Loss from operations (113,375 ) (169,770 ) (161,019 ) Interest income and other income, net 9,761 10,171 3,291 Interest expense (23,871 ) (12,675 ) (3,566 ) Loss on extinguishment of term loan — — (1,367 ) Loss before provision for income taxes (127,485 ) (172,274 ) (162,661 ) Provision for income taxes 491 523 295 Net loss $ (127,976 ) $ (172,797 ) $ (162,956 ) Revenue Years Ended December 31, Change (dollars in thousands) 2024 2023 $ % Revenue: Product revenue $ 80,977 $ 103,537 $ (22,560 ) (22 )% Service and other revenue 32,712 26,839 5,873 22 % Total revenue $ 113,689 $ 130,376 (16,687 ) (13 )% Product revenue decreased by $22.6 million, or 22%, for the year ended December 31, 2024 as compared to the prior year.
Gross Profit and Gross Margin Years Ended December 31, Change (dollars in thousands) 2023 2022 $ % Gross profit and gross margin: Gross profit $ 29,000 $ 17,833 $ 11,167 63 % Gross margin 22.2 % 15.5 % Gross profit increased by $11.2 million, or 63%, for the year ended December 31, 2023 as compared to the prior year.
Gross Profit and Gross Margin Years Ended December 31, Change (dollars in thousands) 2024 2023 $ % Gross profit and gross margin: Gross profit $ 38,564 $ 29,000 $ 9,564 33 % Gross margin 33.9 % 22.2 % Gross profit increased by $9.6 million, or 33%, for the year ended December 31, 2024 as compared to the prior year.
Net cash used in operating activities of $145.7 million for the year ended December 31, 2022 was due to a net loss of $163.0 million and a net cash outflow from the change in our operating assets and liabilities of $21.1 million, partially offset by the primary non-cash adjustments for stock-based compensation expense of $27.2 million, depreciation and amortization of $5.2 million, provision for inventories of $2.6 million, loss on extinguishment of term loan of $1.4 million, non-cash lease expense of $1.1 million, accretion of discount on investments of $0.4 million, and non-cash interest expense of $0.4 million.
Net cash used in operating activities of $131.4 million for the year ended December 31, 2023 was due to a net loss of $172.8 million and a net cash outflow from the change in our operating assets and liabilities of $0.8 million, partially adjusted by the primary non-cash adjustments for stock-based compensation expense of $38.6 million, amortization of premium on investments of $6.4 million, depreciation and amortization of $5.8 million, non-cash interest expense of $1.8 million, and non-cash lease expense of $1.3 million.
These deferrals served to elongate our sales cycle and the timing of delivery and installations, which, in turn, contributed to an adverse impact on our bookings and revenues for the second half of 2023, and we expect these negative impacts to continue into 2024.
These deferrals served to elongate our sales cycle and the timing of delivery and installations, which, in turn, contributed to an adverse impact on our bookings and revenues starting in the second half of 2023 and through 2024. We may see disruption from this in future periods.
We have generated meaningful evidence to demonstrate that providers can realize significant operational efficiencies, including reducing the cost of their dialysis programs by up to 80% in the intensive care unit. In addition, Tablo has been shown to deliver robust clinical care.
We have generated meaningful evidence to demonstrate that providers can realize significant operational efficiencies, including reducing the cost of their dialysis programs. In addition, Tablo has been shown to deliver robust clinical care. In studies and surveys we have conducted, patients have reported quality of life benefits on Tablo compared to other dialysis machines.
We believe the ability to leverage one team to serve both markets will result in significant productivity and cost optimization as we continue to scale our business.
We believe the ability to leverage one team to serve both markets will result in significant productivity and cost optimization as we continue to scale our business. Recent Developments In July 2023, we received a warning letter (the Warning Letter) from the FDA that raised two observations.
These factors include our ability to further evolve our commercial infrastructure and sales processes as we scale our business in the home market. 67 Gross Margin Our ability to expand our gross margins depends on: first, our ability to reduce the cost of Tablo consoles; second, our ability to continue to sell Tablo cartridges, services, and accessories for Tablo consoles; and third, our ability to reduce the cost of service.
Gross Margin Our ability to expand our gross margins depends on: first, our ability to continue to sell Tablo cartridges, services, and accessories for Tablo consoles; second, our ability to reduce the cost of service and third, our ability to reduce the cost of Tablo consoles.
To date, we have financed our operations and capital expenditures primarily through sales of redeemable convertible preferred stock and common stock, revenue from sales, debt financings, and proceeds from employee exercises of stock options and employee stock purchase plan purchases.
Liquidity and Capital Resources Sources of Liquidity Since our inception, we have incurred net losses and negative cash flows from operations. To date, we have financed our operations and capital expenditures primarily through sales of equity securities, revenue from sales, debt financings, and proceeds from employee exercises of stock options and employee stock purchase plan purchases.
These factors include our ability to expeditiously resolve the Warning Letter, overcome the adverse impact in the field from the Warning Letter and our distribution pause on TabloCart with Prefiltration, as well as the success of our efforts to further evolve our commercial infrastructure and sales processes to support the growth of our business in the acute care market.
These factors include our ability to recover from the adverse impact in the field from the Warning Letter as we resume distribution of TabloCart with Prefiltration, as well as the success of our efforts to further evolve our initiatives to optimize our commercial organization, infrastructure and sales processes to support the growth of our business in the acute and post-acute care markets as we focus more heavily on enterprise selling and transition beyond earlier stage adoption of Tablo.
Net cash used in investing activities of $66.3 million for the year ended December 31, 2022 was due primarily to purchases of investment securities of $261.2 million and purchases of property and equipment of $8.3 million, partially offset by the maturities of investment securities of $203.2 million.
Investing Activities Net cash provided by investing activities of $103.9 million for the year ended December 31, 2024 was due to the sales and maturities of investment securities of $261.4 million, partially offset by purchases of investment securities of $156.6 million and purchases of property and equipment of $0.9 million.
The gross margin percentage improved by 6.7 percentage points for the year ended December 31, 2023 as compared to the prior year. This improvement in gross margin was primarily driven by the impact of cost reduction activities and a higher average selling price for both consoles and consumables.
The gross margin percentage improved by 11.7 percentage points for the year ended December 31, 2024 as compared to the prior year. This improvement in gross margin was primarily driven by a higher mix of consumable and service and other revenue in 2024 as compared to the prior year.
We believe our ability to reduce training time, patient dropout, and the supplies and infrastructure required to deliver dialysis in the home can drive efficiency and economic improvements to the home care model. In our home IDE trial, patients reported specific quality of life improvements compared to their experience on the incumbent home dialysis machine.
Tablo is also utilized for home-based dialysis. We believe our ability to reduce training time, patient dropout, and the supplies and infrastructure required to deliver dialysis in the home can drive efficiency and economic improvements to the home care model.
Service and other revenue increased by $4.9 million, or 22%, for the year ended December 31, 2023 as compared to the prior year.
Service and other revenue increased by $5.9 million, or 22%, for the year ended December 31, 2024 as compared to the prior year. The increase was primarily due to services associated with the growth in our console installed base.
If this financing is not available to us at adequate levels or on acceptable terms, we may need to reevaluate our operating plans.
We may raise additional capital through the issuance of additional equity financing, debt financings, which may require refinancing or amending the terms of our existing debt, or other sources. If this financing is not available to us at adequate levels or on acceptable terms, we may need to further evaluate our operating plans.
We plan to continue leveraging our commercial infrastructure to broaden our installed base in the acute care market, as well as driving utilization and fleet expansion with our existing customers. Tablo is also utilized for home-based dialysis.
In addition, we are also working with SNFs, LTACHs and other post-acute providers to raise awareness of Tablo’s economic and clinical benefits to them and to patients. We plan to continue leveraging our commercial infrastructure to broaden our installed base in the acute and post-acute care markets, as well as driving utilization and fleet expansion with our existing customers.
Sales and marketing expenses increased by $6.8 million, or 8% for the year ended December 31, 2023 as compared to the prior year. The increase was primarily driven by compensation-related and stock-based compensation expense and infrastructure costs to support our growth. In addition, there were higher freight and marketing expenses due to an increase in sales and marketing activities.
The decrease was primarily due to an overall decrease in compensation-related and stock-based compensation expense, consulting and materials expense and infrastructure costs resulting from our cost reduction efforts implemented in 2024 and the fourth quarter of 2023. Sales and marketing expenses decreased by $26.2 million, or 27% for the year ended December 31, 2024 as compared to the prior year.
Other Income (Expenses), Net Years Ended December 31, Change (dollars in thousands) 2023 2022 $ % Other income (expenses), net: Interest income and other income, net $ 10,171 $ 3,291 $ 6,880 209 % Interest expense (12,675 ) (3,566 ) (9,109 ) 255 % Loss on extinguishment of term loan — (1,367 ) 1,367 * Total other expenses, net $ (2,504 ) $ (1,642 ) (862 ) 52 % The increase in interest income and other income, net, for the year ended December 31, 2023 as compared to the prior year was driven by higher interest rates.
Other Income (Expenses), Net Years Ended December 31, Change (dollars in thousands) 2024 2023 $ % Other income (expenses), net: Interest income and other income, net $ 9,761 $ 10,171 $ (410 ) (4 )% Interest expense (23,871 ) (12,675 ) (11,196 ) 88 % Total other expenses, net $ (14,110 ) $ (2,504 ) (11,606 ) 463 % The decrease in interest income and other income, net, for the year ended December 31, 2024 as compared to the prior year was driven by the changes in interest rates.
These increases were partially offset by lower travel and consulting expenses. General and administrative expenses increased by $4.7 million, or 12%, for the year ended December 31, 2023 as compared to the prior year. The increase was primarily driven by compensation-related and stock-based compensation expense and consulting expenses.
General and administrative expenses decreased by $1.7 million, or 4%, for the year ended December 31, 2024 as compared to the prior year. The decrease was primarily driven by an overall decrease in consulting, compensation-related expense resulting from our cost reduction efforts implemented in 2024 and the fourth quarter of 2023.
To demonstrate the cost advantages of Tablo in the home setting, we are continuing to collect additional patient clinical experience and outcomes data. We generate revenue from the placement of Tablo consoles along with accessories, and shipping and handling charged to customers, which revenue is recognized up-front.
We are also working with providers, patients, and payors to increase awareness and adoption of TCUs as a bridge to home-based therapy. We generate revenue from the placement of Tablo consoles along with accessories, and shipping and handling charged to customers, which revenue is recognized up-front.
This increase was partially offset by a $3.3 million decrease in console revenue which was primarily comprised of a $1.7 million decrease in console leasing revenue due to the expiration of certain lease agreements and lower number of consoles sold in the current year as compared to the prior year.
The decrease was mainly due to a $31.5 million decrease in console revenue as a result of a lower number of consoles sold in 2024 as compared to the prior year. This decrease was partially offset by an $8.9 million increase in consumables revenue attributable to the growth in our console installed base.
No amounts were outstanding under the SLR Revolver as of December 31, 2023. SVB Term Loan We entered into the SVB Loan and Security Agreement with SVB in July 2020, which provides for a $30.0 million term loan (the SVB Term Loan).
As of December 31, 2024, $200.0 million was outstanding under the SLR Term Loan Facility and no amounts were outstanding under the SLR Revolver.
To penetrate this market successfully, we continue to focus on refining our home distribution, logistics and support systems to help ensure they are ready for scale. We are also working with providers, patients, and payors to increase awareness and adoption of TCUs as a bridge to home-based therapy.
In our home IDE trial, patients reported specific quality of life improvements compared to their experience on the incumbent home dialysis machine. To penetrate this market successfully, we have made investments in and continue to focus on refining our home distribution, logistics and support systems to help ensure they are ready for scale.
As we continue to drive the expansion of Tablo, we expect shipping and handling costs to also increase. Additionally, we will continue to invest in infrastructure to support our growth. As a result, we expect sales and marketing expenses to increase in absolute dollars in future periods.
As we continue to drive the expansion of Tablo, we expect shipping and handling costs to also increase. However, the full year impact of mid-year cost saving initiatives in 2024 will result in lower year over year spend.
Under the SLR Loan Agreement, as subsequently amended on December 11, 2023, the Term Loan Lenders agreed to extend term loans to us in an aggregate principal amount of up to $250.0 million, comprised of (i) a term loan of $100.0 million (the Term A Loan), (ii) term loans in an aggregate principal amount of up to $100.0 million that was provided for in two increments, one of $33.5 million (the Term B-1 Loan) and one of $66.5 million (the Term B-2 Loan) and (iii) one or more term loans in an aggregate principal amount of up to $50.0 million (the Term C Loans).
Pursuant to the terms and conditions of the Perceptive Credit Agreement, the lenders agreed to extend term loans to us in an aggregate principal amount of up to $125.0 million, comprised of (i) a term loan of $100.0 million (the Initial Term Loan), which was funded at the closing of the Perceptive Credit Agreement on January 8, 2025, and (ii) a delayed draw term loan of up to $25.0 million (the Delayed Draw Loan).
Operating Expenses Years Ended December 31, Change 71 (dollars in thousands) 2023 2022 $ % Operating expenses: Research and development $ 57,307 $ 48,855 $ 8,452 17 % Sales and marketing 96,232 89,482 6,750 8 % General and administrative 45,231 40,515 4,716 12 % Total operating expenses $ 198,770 $ 178,852 19,918 11 % Research and development expenses increased by $8.5 million, or 17%, for the year ended December 31, 2023 as compared to the prior year.
The higher consumable gross margin mainly resulted from a lower cost per unit as well as a higher average selling price for consumables. 73 Operating Expenses Years Ended December 31, Change (dollars in thousands) 2024 2023 $ % Operating expenses: Research and development $ 38,397 $ 57,307 $ (18,910 ) (33 )% Sales and marketing 70,044 96,232 (26,188 ) (27 )% General and administrative 43,498 45,231 (1,733 ) (4 )% Total operating expenses $ 151,939 $ 198,770 (46,831 ) (24 )% Research and development expenses decreased by $18.9 million, or 33%, for the year ended December 31, 2024 as compared to the prior year.
We expect to continue to incur significant expenses for the foreseeable future and to incur operating losses in the near term while we make investments to support our anticipated growth. We may raise additional capital through the issuance of additional equity financing, debt financings, including through refinancing our existing debt, or other sources.
While we have taken actions to reduce operating expenses and working capital to align with anticipated revenue growth including implementing restructuring plans to streamline our overall organizational structure and renegotiating commitments with suppliers to reduce inventory, we expect to continue to incur operating losses in the near term while we make investments to support our anticipated growth.