Biggest changeThe accounting policies are described in Note 2 “Summary of Significant Accounting Policies” in our consolidated financial statements included in this Annual Report on Form 10-K. 51 Table of Contents Year ended December 31, 2023 2022 2021 % of % of % of (in thousands) Dollars revenue Dollars revenue Dollars revenue Revenue: Product $ 40,036 60.8 % $ 50,263 68.5 % $ 47,868 76.5 % Software and other services 25,864 39.2 23,127 31.5 14,697 23.5 Total revenue 65,900 100.0 73,390 100.0 62,565 100.0 Cost of revenue: Product 40,655 61.7 26,804 36.5 29,308 46.8 Software and other services 8,389 12.7 7,126 9.7 2,238 3.6 Loss on product purchase commitments — — — — 13,965 22.3 Total cost of revenue 49,044 74.4 33,930 46.2 45,511 72.7 Gross profit 16,856 25.6 39,460 53.8 17,054 27.3 Operating expenses: Research and development 55,616 84.4 88,044 120.0 74,461 119.0 Sales and marketing 39,073 59.3 59,494 81.1 49,604 79.3 General and administrative 49,613 75.3 77,596 105.7 85,717 137.0 Other 18,164 27.6 7,346 10.0 — — Total operating expenses 162,466 246.5 232,480 316.8 209,782 335.3 Loss from operations (145,610) (221.0) (193,020) (263.0) (192,728) (308.0) Interest income 7,450 11.3 3,384 4.6 2,573 4.1 Interest expense — — (2) (0.0) (651) (1.0) Change in fair value of warrant liabilities 4,544 6.9 20,859 28.4 161,095 257.5 Other income (expense), net (2) (0.0) 98 0.1 (2,577) (4.1) Loss before provision for income taxes (133,618) (202.8) (168,681) (229.8) (32,288) (51.6) Provision for income taxes 82 0.1 42 0.1 121 0.2 Net loss and comprehensive loss $ (133,700) (202.9) % $ (168,723) (229.9) % $ (32,409) (51.8) % Comparison of the Years Ended December 31, 2023 and 2022 Revenue Year ended December 31, (in thousands) 2023 2022 Change % Change Product $ 40,036 $ 50,263 $ (10,227) (20.3) % Software and other services 25,864 23,127 2,737 11.8 $ 65,900 $ 73,390 $ (7,490) (10.2) % Product revenue decreased by $10.2 million, or 20.3%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Biggest changeYear ended December 31, 2024 2023 2022 (in thousands) Dollars % of revenue Dollars % of revenue Dollars % of revenue Revenue: Product $ 54,200 66.1 % $ 40,036 60.8 % $ 50,263 68.5 % Software and other services 27,856 33.9 25,864 39.2 23,127 31.5 Total revenue 82,056 100.0 65,900 100.0 73,390 100.0 Cost of revenue: Product 24,380 29.7 40,655 61.7 26,804 36.5 Software and other services 8,845 10.8 8,389 12.7 7,126 9.7 Total cost of revenue 33,225 40.5 49,044 74.4 33,930 46.2 Gross profit 48,831 59.5 16,856 25.6 39,460 53.8 Operating expenses: Research and development 37,800 46.1 55,616 84.4 88,044 120.0 Sales and marketing 41,567 50.7 39,073 59.3 59,494 81.1 General and administrative 39,810 48.5 49,613 75.3 77,596 105.7 Other 4,065 5.0 18,164 27.6 7,346 10.0 Total operating expenses 123,242 150.3 162,466 246.6 232,480 316.8 Loss from operations (74,411) (90.8) (145,610) (221.0) (193,020) (263.0) Interest income 5,020 6.1 7,450 11.3 3,384 4.6 Interest expense (1,261) (1.5) — — (2) — Change in fair value of warrant liabilities (1,859) (2.3) 4,544 6.9 20,859 28.4 Other income (expense), net (13) — (2) — 98 0.1 Loss before provision for income taxes (72,524) (88.5) (133,618) (202.8) (168,681) (229.9) Provision (benefit) for income taxes (32) — 82 0.1 42 0.1 Net loss and comprehensive loss $ (72,492) (88.5) $ (133,700) (202.9) $ (168,723) (230.0) Comparison of the Years Ended December 31, 2024 and 2023 Revenue Year ended December 31, (in thousands) 2024 2023 Change % Change Product $ 54,200 $ 40,036 $ 14,164 35.4 % Software and other services 27,856 25,864 1,992 7.7 $ 82,056 $ 65,900 $ 16,156 24.5 % 46 Table of Contents Product revenue increased by $14.2 million, or 35.4%, for the year ended December 31, 2024 compared to the year ended December 31, 2023.
Factors that affect the estimate of future warranty costs include historical and current product failure rates, service delivery costs incurred in correcting product failures, warranty policies and business practices. Our contracts with customers include variable consideration in the form of refunds and credits for product returns and price concessions.
Factors that affect the estimate of future warranty costs include historical and current product failure rates, service delivery costs incurred in correcting product failures, and warranty policies and business practices. Our contracts with customers include variable consideration in the form of refunds and credits for product returns and price concessions.
We periodically review the age, condition and turnover of our inventory to determine whether any inventory has become obsolete or has declined in value and incur a charge to operations for known and anticipated inventory obsolescence.
We periodically review the age, condition and turnover of our inventory to determine whether any inventory has become obsolete or has declined in value, and we incur a charge to operations for known and anticipated inventory obsolescence.
Enterprise as percentage of software sales increased 6%. 52 Table of Contents Cost of revenue Year ended December 31, (in thousands) 2023 2022 Change % Change Product $ 40,655 $ 26,804 $ 13,851 51.7 % Software and other services 8,389 7,126 1,263 17.7 $ 49,044 $ 33,930 $ 15,114 44.5 % Percentage of revenue 74.4 % 46.2 % Cost of product revenue increased by $13.9 million, or 51.7%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Enterprise as percentage of software sales increased 6%. 48 Table of Contents Cost of revenue Year ended December 31, (in thousands) 2023 2022 Change % Change Product $ 40,655 $ 26,804 $ 13,851 51.7 % Software and other services 8,389 7,126 1,263 17.7 $ 49,044 $ 33,930 $ 15,114 44.5 % Percentage of revenue 74.4 % 46.2 % Cost of product revenue increased by $13.9 million, or 51.7%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
These other expenses primarily consist of employee severance and benefits costs related to our reductions in force, litigation costs, and legal settlements. Results of Operations We operate as a single reportable segment to reflect the way our chief operating decision maker reviews and assesses the performance of the business.
These other expenses primarily consist of employee severance and benefits costs related to our reductions in force and business transformation initiative, litigation costs, and legal settlements. Results of Operations We operate as a single reportable segment to reflect the way our chief operating decision maker reviews and assesses the performance of the business.
Because the costs and associated expenses to deliver our SaaS offerings are less than the costs and associated expenses of manufacturing and selling our device, we anticipate an improvement in profitability and margin expansion over time as our revenue mix shifts increasingly towards software and other services.
Because the costs and associated expenses to deliver our SaaS offerings are less than the costs and associated expenses of manufacturing and selling our devices, we anticipate an improvement in profitability and margin expansion over time as our revenue mix shifts increasingly towards software and other services.
We expect to continue to make substantial investments in our product and software development, clinical, and regulatory capabilities. Sales and marketing Sales and marketing expenses primarily consist of personnel costs and benefits, advertising, conferences and events, facilities-related expenses, and software costs. We expect to continue to make substantial investments in our sales capabilities.
We expect to continue to make substantial investments in our product and software development, clinical, and regulatory capabilities. Sales and marketing Sales and marketing expenses primarily consist of personnel costs and benefits, advertising, conferences and events, facilities-related expenses, and software costs. We expect to increase our investments in our commercial capabilities.
SaaS subscriptions and Support are generally related to stand-ready obligations and are recognized ratably over time. Over time as adoption of our devices increases through further market penetration and as practitioners in the Butterfly network continue to use our devices, we expect our annual revenue mix to shift more toward software and other services.
SaaS subscriptions, Support, and term-based SDKs are generally related to stand-ready obligations and are recognized ratably over time. Over time, as adoption of our devices increases through further market penetration and as practitioners in the Butterfly network continue to use our devices, we expect our annual revenue mix to shift more toward software and other services.
GAAP”). The process of preparing financial statements in conformity with U.S. GAAP requires us to make estimates and assumptions that affect the reported amounts of certain assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expense during the period.
The process of preparing financial statements in conformity with U.S. GAAP requires us to make estimates and assumptions that affect the reported amounts of certain assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements as well as the reported amounts of revenue and expense during the period.
General and administrative General and administrative expenses primarily consist of personnel costs and benefits, insurance, patent fees, software costs, facilities costs and outside services. Outside services consist of professional services, legal fees and other professional fees. Other Operating expenses classified as other are expenses which we do not consider representative of our ongoing operations.
General and administrative General and administrative expenses primarily consist of personnel costs and benefits, insurance, patent fees, software costs, facilities-related expenses, and outside services. Outside services consist of professional services, legal fees and other professional fees. 45 Table of Contents Other Operating expenses classified as other are expenses which we do not consider representative of our ongoing operations.
The decrease was driven by a $9.3 million decrease in net working capital cash and $60.9 million decrease in net loss adjusted for certain noncash items, primarily driven by the loss on excess inventory, the change in fair value of warrant liabilities, and net income.
The decrease was driven by a $9.3 million decrease in net working capital cash usage and a $61.0 million decrease in net loss adjusted for certain noncash items, primarily driven by the loss on excess inventory, the change in fair value of warrant liabilities, and net income.
Generally, we have identified the following performance obligations can be promised in our contracts with customers: ● Hardware devices and accessories; ● Software subscriptions, including renewal subscriptions, which represent an obligation to provide the customer with ongoing access to our cloud-hosted software applications on a continuous basis throughout the subscription period; ● Implementation and integration services; and ● Extended warranties.
Generally, we have identified the following performance obligations can be promised in our contracts with customers: • Hardware devices and accessories; • Software subscriptions, including renewal subscriptions, which represent an obligation to provide the customer with ongoing access to our cloud-hosted software applications on a continuous basis throughout the subscription period; • Implementation and integration services; • Extended warranties; and • SDKs, either perpetual or term-based.
Additionally, there was a $12.5 million decrease in purchases of fixed assets. Cash flows provided by financing activities Net cash provided by financing activities decreased by $2.6 million, or 92.1%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Additionally, there was a $12.5 million decrease in purchases of fixed assets. 51 Table of Contents Cash flows provided by financing activities Net cash provided by financing activities decreased by $2.7 million, or 92.1%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
This decrease was primarily driven by a decline in probe sales in our distribution, global health and ecommerce channels. Additionally, there were a number of large sales in these channels in 2022 that did not reoccur in 2023.
This decrease was primarily driven by a decline in probe sales in our distribution, global health, and eCommerce channels. Additionally, there were a number of large sales in these channels in 2022 that did not reoccur in 2023. Partially offsetting these declines were increases in overall prices.
This increase was primarily driven by $6.7 million of higher employee severance and benefits costs resulting from our reductions in force in 2023 and $4.1 million of higher legal costs due to litigation and other legal matters.
This increase was primarily driven by $6.7 million of higher employee severance and benefits costs resulting from our reductions in force in 2023 and $4.1 million of higher legal costs due to litigation and other legal matters. These costs are not representative of our ongoing operations.
The determination of NRV involves numerous judgments including estimating selling prices, existing customer orders, and estimated costs of completion, disposal, and transportation. If actual market conditions differ from our estimates, future results of operations could be materially affected.
NRV is based upon an estimated average selling price reduced by the estimated costs of completion, disposal, and transportation. The determination of NRV involves numerous judgments including estimating selling prices, existing customer orders, and estimated costs of completion, disposal, and transportation. If actual market conditions differ from our estimates, future results of operations could be materially affected.
We expect cash provided by historical financing activities will continue to be our primary source of funds to support operating needs and capital expenditures for the foreseeable future. Net cash used in operating activities decreased by $20.1 million, or 10.6%, for the year ended December 31, 2022 compared to the year ended December 31, 2021.
We expect cash provided by historical financing activities will continue to be our primary source of funds to support operating needs and capital expenditures for the foreseeable future. Net cash used in operating activities decreased by $57.1 million, or 57.8%, for the year ended December 31, 2024 compared to the year ended December 31, 2023.
We have started to reinvest in direct sales to drive top-line growth. General and administrative Year ended December 31, (in thousands) 2023 2022 Change % Change General and administrative $ 49,613 $ 77,596 $ (27,983) (36.1) % Percentage of revenue 75.3 % 105.7 % General and administrative expenses decreased by $28.0 million, or 36.1%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
General and administrative Year ended December 31, (in thousands) 2023 2022 Change % Change General and administrative $ 49,613 $ 77,596 $ (27,983) (36.1) % Percentage of revenue 75.3 % 105.7 % General and administrative expenses decreased by $28.0 million, or 36.1%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Our implementation and integration services are a performance obligation satisfied over time, and we use costs incurred as inputs into the measure of progress to recognize revenue for these services. We account for the warranty as an assurance-type warranty.
Our implementation and integration services are a performance obligation satisfied over time, and we use costs incurred as inputs into the measure of progress to recognize revenue for these services. We account for the warranty as an assurance-type warranty. When product revenue is recognized, an estimate of future warranty costs is recognized as cost of product revenue and accrued expenses.
Our software subscriptions and extended warranties are stand-ready obligations that are satisfied over time, and we use the time-elapsed (i.e., straight-line) measure of progress to recognize revenue for these services.
Our software subscriptions and extended warranties are stand-ready obligations that are satisfied over time, and our term-based SDKs are performance obligations satisfied over time through our continued provision of access to the customer. We use the time-elapsed (i.e., straight-line) measure of progress to recognize revenue for these services.
Capitalized costs primarily include management’s best estimate and allocation of the direct labor, materials costs and other overhead costs incurred related to inventory acquired or produced but not sold during the respective period.
We capitalize manufacturing overhead expenditures as part of inventory costs. Capitalized costs primarily include management’s best estimate and allocation of the direct labor, materials costs, and other overhead costs incurred related to 53 Table of Contents inventory acquired or produced but not sold during the respective period.
We estimate variable consideration based on the individual contract characteristics or may apply a portfolio approach depending on the circumstances. 58 Table of Contents Stock-based compensation Our stock-based compensation program includes restricted stock units and stock option grants to our employees, directors and consultants.
We estimate variable consideration based on the individual contract characteristics or may apply a portfolio approach depending on the circumstances. 52 Table of Contents Stock-based compensation Our stock-based compensation program includes stock option grants and restricted stock unit ("RSU") grants to our employees, directors, and consultants as well as an employee stock purchase plan ("ESPP").
This decrease was primarily driven by reductions of $13.6 million in personnel costs resulting from our reductions in force over the past year. Reductions of $3.3 million in marketing expenses and $2.3 million reduction in travel expenses also contributed to the decrease.
This decrease was primarily driven by reductions of $13.6 million in personnel costs resulting from our reductions in force over the past year. Reductions of $3.3 million in marketing expenses and $2.3 million in travel expenses also contributed to the decrease. We have started to reinvest in direct sales to drive top-line growth.
We expect our cost of product revenue to fluctuate over time due to the level of units fulfilled in any given period and fluctuate 50 Table of Contents as a percentage of product revenue over time as our focus on operational efficiencies in our supply chain may be offset by increased prices of certain inventory components. Cost of software and other services revenue consists of personnel costs, cloud hosting costs and payment processing fees.
We expect our cost of product revenue to fluctuate over time due to the level of units fulfilled in any given period and fluctuate as a percentage of product revenue over time as our focus on operational efficiencies in our supply chain may be offset by increased prices of certain inventory components.
The decrease in net working capital cash usage was driven by a $17.7 million reduction in cash used for changes in our inventory and the related vendor advances and accrued purchase commitments, partially offset by a $4.5 million increase in cash used by accrued expenses and other liabilities, $2.9 million increase in cash used by operating lease assets and liabilities, and a $0.8 million increase in cash used by prepaid expenses and other assets. Cash flows used in investing activities Net cash used in investing activities decreased by $164.1 million, or 175.1%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
The decrease in net working capital cash usage was driven by a $17.7 million reduction in cash used for changes in our inventory and the related vendor advances and accrued purchase commitments, partially offset by a $4.5 million increase in cash used by accrued expenses and other liabilities, $2.9 million increase in cash used by operating lease assets and liabilities, and a $0.8 million increase in cash used by prepaid expenses and other assets.
The decreases were partially offset by increased sales from our distributor channel. Software and other services mix We define software and other services mix as a percentage of our total revenue recognized in a reporting period that is based on software subscriptions and other related services, consisting primarily of our software as a service (“SaaS”) offering.
Software and other services mix We define software and other services mix as a percentage of our total revenue recognized in a reporting period that is based on software subscriptions and other related services, consisting primarily of our software as a service (“SaaS”) offering.
This increase was primarily driven by a $21 million loss on excess inventory related to inventory on-hand that was deemed excess due to a shift in our strategy and market conditions.
This increase was primarily driven by a $21 million loss on excess inventory related to inventory on-hand that was deemed excess due to a shift in our strategy and market conditions. This was partially offset by lower probe volume and operating efficiencies in manufacturing Butterfly iQ+.
We view software and other services mix as a key indicator of the profitability of our business, and thus we believe that this measure is useful to investors. 49 Table of Contents Software and other services mix increased by 5.2 percentage points, to 38.5% for the three months ended December 31, 2023 compared to the three months ended December 31, 2022.
We view software and other services mix as a key indicator of the profitability of our business, and thus we believe that this measure is useful to investors. Software and other services mix decreased by 5.3 percentage points, to 33.9% for the year ended December 31, 2024 compared to the year ended December 31, 2023.
Butterfly’s solution enables the practical application of ultrasound information into the clinical workflow through affordable hardware that fits in a healthcare professional’s pocket and is paired with cloud-connected software that is easily accessed through a mobile application. Butterfly iQ+ and iQ3 are ultrasound devices that can perform whole-body imaging in a single handheld probe using semiconductor technology.
Butterfly’s solution enables the practical application of ultrasound information into the clinical workflow through affordable hardware that fits in a healthcare professional’s pocket and is paired with cloud-connected software that is easily accessed through a mobile application.
This increase was primarily driven by higher amortization expenses related to newly deployed internally developed software that supports our SaaS offerings. Research and development Year ended December 31, (in thousands) 2023 2022 Change % Change Research and development $ 55,616 $ 88,044 $ (32,428) (36.8) % Percentage of revenue 84.4 % 120.0 % Research and development expenses decreased by $32.4 million, or 36.8%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Research and development Year ended December 31, (in thousands) 2023 2022 Change % Change Research and development $ 55,616 $ 88,044 $ (32,428) (36.8) % Percentage of revenue 84.4 % 120.0 % Research and development expenses decreased by $32.4 million, or 36.8%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
This was impacted by $8.7 million of employee severance and benefits costs resulting from our reductions in force and $9.5 million of higher legal costs due to litigation and other legal matters. These costs are not representative of our ongoing operations.
This decrease was primarily driven by reductions of $7.4 million of employee severance and benefits costs related to our reductions in force carried out in 2023 and $6.8 million in legal costs due to litigation and other legal matters. These costs are not representative of our ongoing operations.
Manufacturing overhead costs are capitalized to inventory and are recognized as cost of revenues in future periods based on our rate of inventory turnover. 59 Table of Contents Recently Adopted Accounting Pronouncements A description of recently issued accounting pronouncements that may potentially impact our financial position and results of operations is disclosed in Note 2 “Summary of Significant Accounting Policies – Recent Accounting Pronouncements Adopted” to our consolidated financial statements contained in this Annual Report on Form 10-K.
Recently Adopted Accounting Pronouncements A description of recently issued accounting pronouncements that may potentially impact our financial position and results of operations is disclosed in Note 2 “Summary of Significant Accounting Policies – Recent Accounting Pronouncements Issued but Not Yet Adopted” to our consolidated financial statements contained in this Annual Report on Form 10-K.
Historically, our assumptions, judgments and estimates relative to our critical accounting policies have not differed materially from actual results. While our significant accounting policies are described in more detail in Note 2 “Summary of Significant Accounting Policies” in our consolidated financial statements, we believe that the following accounting policies are those most critical to the judgments and estimates used in the preparation of our financial statements. Revenue recognition We generate revenue from the sale of products and software and other services.
While our significant accounting policies are described in more detail in Note 2 “Summary of Significant Accounting Policies” in our consolidated financial statements, we believe that the following accounting policies are those most critical to the judgments and estimates used in the preparation of our financial statements.
The decrease was primarily due to the non-recurrence of net proceeds from the Business Combination of $548.4 million and an $18.7 million decrease in option exercises, partially offset by the non-recurrence of the $4.4 million repayment of the Paycheck Protection Program loan. Critical Accounting Policies and Estimates Our consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“U.S.
The decrease was primarily due to the non-recurrence of net proceeds from exercise of stock options and warrants of $2.7 million, partially offset by $0.1 million from other financing activities. Critical Accounting Policies and Estimates Our consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”).
This decrease was primarily driven by reductions of $23.5 million in personnel costs resulting from our reductions in force over the past year, a decrease of $2.6 million in engineering and testing costs, and a decrease of $4.6 million in consulting fees as we developed our internal capabilities to perform previously outsourced functions. Sales and marketing Year ended December 31, (in thousands) 2023 2022 Change % Change Sales and marketing $ 39,073 $ 59,494 $ (20,421) (34.3) % Percentage of revenue 59.3 % 81.1 % Sales and marketing expenses decreased by $20.4 million, or 34.3%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
This decrease was primarily driven by reductions of $23.5 million in personnel costs resulting from our reductions in force over the past year, a decrease of $2.6 million in engineering and testing costs, and a decrease of $4.6 million in consulting fees as we developed our internal capabilities to perform previously outsourced functions.
SaaS subscriptions include licenses for teams and individuals as well as enterprise-level subscriptions. For sales of products, revenue is recognized at a point in time upon transfer of control to the customer.
Our software and related service offerings include SaaS subscriptions, product support and maintenance (“Support”), and software development kits ("SDKs") which may be perpetual or term-based. SaaS subscriptions include licenses for teams and individuals as well as enterprise-level subscriptions. For sales of products and perpetual SDKs, revenue is recognized at a point in time upon transfer of control to the customer.
This decrease was primarily driven by reductions of $22.0 million in personnel costs resulting from our reductions in force over the past year and $4.9 million in professional service fees for legal and other administrative services. 53 Table of Contents Other Year ended December 31, (in thousands) 2023 2022 Change % Change Other $ 18,164 $ 7,346 $ 10,818 147.3 % Percentage of revenue 27.6 % 10.0 % Other increased by $10.8 million for the year ended December 31, 2023 compared to the year ended December 31, 2022.
This decrease was primarily driven by reductions of $22.0 million in 49 Table of Contents personnel costs resulting from our reductions in force over the past year and $4.9 million in professional service fees for legal and other administrative services.
We consider a variety of factors and data points when determining the existence and scope of a loss for the minimum purchase commitment. The factors and data points include Company-specific forecasts which are reliant on our limited sales history, agreement-specific provisions, macroeconomic factors and market and industry trends. Determining the loss is subjective and requires significant management judgment and estimates.
The factors and data points include Company-specific forecasts which are reliant on our limited sales history, agreement-specific provisions, macroeconomic factors, and market and industry trends. Determining the loss is subjective and requires significant management judgment and estimates. Future events may differ from those assumed in our assessment, and therefore the loss may change in the future.
Market conditions are subject to change and if actual market conditions are less favorable than those projected by management, additional inventory write-downs may be required, which would have a negative impact on gross margin. Losses expected to arise from firm, non-cancelable and unhedged commitments for the future purchase of inventory items are recognized unless the losses are recoverable through firm sales contracts or other means.
Market conditions are subject to change, and, if actual market conditions are less favorable than those projected by management, additional inventory write-downs may be required, which would have a negative impact on gross margin.
We believe that this measure is useful to investors because it presents our core growth and performance of our business period over period. Units fulfilled decreased by 1,498, or 26.0%, for the three months ended December 31, 2023 compared to the three months ended December 31, 2022, primarily due to decreased device sales volume from our direct sales and eCommerce channels.
We believe that this measure is useful to investors because it presents our core growth and performance of our business period over period. 43 Table of Contents Units fulfilled increased by 3,131, or 19.0%, for the year ended December 31, 2024 compared to the year ended December 31, 2023.
Transaction price is allocated to all identified performance obligations based on relative standalone selling prices of the underlying goods or services. Each sale of a hardware device or accessory is a performance obligation satisfied at a point in time when control of the good transfers from us to the customer.
Each sale of a hardware device, accessory, or perpetual SDK is a performance obligation satisfied at a point in time when control of the good transfers from us to the customer or when we provide the SDK to the customer.
In addition, we have restricted cash of $0.2 million as of December 31, 2023 for an agreement with the Gates Foundation. The restriction is expected to lapse as we fulfill our obligations in the agreement with the Gates Foundation. Our material cash requirements include contractual obligations with third parties for office leases, technology licensing agreements, and inventory supply agreements.
We have restricted cash of $4.0 million as of December 31, 2024 to secure a letter of credit for one of our leases, which is expected to be maintained as a security deposit for the duration of the lease. Our material cash requirements include contractual obligations with third parties for office leases, technology licensing agreements, and inventory supply agreements.
Actual results and the timing of events may differ materially from those contained in these forward-looking statements due to a number of factors, including those discussed in the sections entitled “Risk Factors” and “Cautionary Statement Regarding Forward-Looking Statements” appearing elsewhere in this Annual Report on Form 10-K. Overview We are an innovative digital health business transforming care through a unique combination of portable, semiconductor-based ultrasound technology, intuitive software, services and educational offerings that can make medical imaging more accessible than ever before.
Actual results and the timing of events may differ materially from those contained in these forward-looking statements due to a number of factors, including those discussed in the sections entitled “Risk Factors” and “Cautionary Statement Regarding Forward-Looking Statements” appearing elsewhere in this Annual Report on Form 10-K.
The decrease was primarily due to the non-recurrence of net proceeds from exercise of stock options and warrants of $2.7 million, partially offset by $0.1 million from other financing activities. Comparison of the period for the years ended December 31, 2022 and 2021 Cash flows used in operating activities Net cash used in operating activities represents the cash receipts and disbursements related to our activities other than investing and financing activities.
Comparison of the period for the years ended December 31, 2023 and 2022 Cash flows used in operating activities Net cash used in operating activities represents the cash receipts and disbursements related to our activities other than investing and financing activities.
This increase was primarily driven by a higher volume of SaaS subscriptions sold in conjunction with new device sales, current year subscription renewals and expanded service offerings. Cost of revenue Year ended December 31, (in thousands) 2022 2021 Change % Change Product $ 26,804 $ 29,308 $ (2,504) (8.5) % Software and other services 7,126 2,238 4,888 218.4 Loss on product purchase commitments — 13,965 (13,965) (100.0) $ 33,930 $ 45,511 $ (11,581) (25.4) % Percentage of revenue 46.2 % 72.7 % Cost of product revenue decreased by $2.5 million, or 8.5%, for the year ended December 31, 2022 compared to the year ended December 31, 2021.
Software and other services revenue increased by $2.7 million, or 11.8%, for the year ended December 31, 2023 compared to the year ended December 31, 2022. This increase was primarily driven by a higher volume of SaaS subscriptions sold in conjunction with new device sales, current year subscription renewals, and expanded service offerings.
Key inputs and assumptions include the expected term of the option, stock price volatility, risk-free interest rate, dividend yield, stock price and exercise price.
The grant date fair values of stock option grants and ESPP options are estimated using a Black-Scholes option-pricing model. Key inputs and assumptions include the underlying stock price, the exercise price, the risk-free interest rate, the expected dividend yield, the expected term of the option, and the expected stock price volatility.
Our fixed technology license payment obligations were $15.5 million as of December 31, 2023, with $1.5 million payable within the next 12 months. Our fixed purchase obligations for inventory supply agreements were $14.8 million as of December 31, 2023, with $6.8 million payable within the next 12 months.
Our fixed office lease payment obligations were $28.0 million as of December 31, 2024, with $3.7 million payable within the next 12 months. Our fixed technology license payment obligations were $14.0 million as of December 31, 2024, with $3.5 million payable within the next 12 months.
We saw an increase in our enterprise software sales while our individual licenses where flat.
We saw an increase in enterprise software sales of $2.4 million while individual subscriptions were flat.
As we expand our healthcare system software offerings and develop relationships with larger healthcare systems, we continue to expect a higher proportion of our sales in healthcare systems compared to eCommerce. Cost of revenue Cost of product revenue consists of product costs including manufacturing costs, personnel costs and benefits, inbound freight, packaging, warranty replacement costs, payment processing fees and inventory obsolescence and write-offs.
As we expand our healthcare system software offerings and develop relationships with larger healthcare systems, we continue to expect a higher proportion of our sales in healthcare systems compared to eCommerce.
We expect to pay for approximately 21% of the amount payable within the next 12 months using vendor advances. As of December 31, 2023, we had no obligations, assets or liabilities, which would be considered off-balance sheet arrangements. Cash Flows The following table summarizes our sources and uses of cash for the years ended December 31, 2023, 2022 and 2021: Year ended December 31, (in thousands) 2023 2022 2021 Net cash used in operating activities $ (98,820) $ (169,115) $ (189,187) Net cash provided by (used in) investing activities 70,414 (93,779) (9,870) Net cash provided by financing activities 228 2,881 565,692 Net decrease in cash, cash equivalents and restricted cash $ (28,178) $ (260,013) $ 366,635 56 Table of Contents Comparison of the period for the years ended December 31, 2023 and 2022 Cash flows used in operating activities Net cash used in operating activities represents the cash receipts and disbursements related to our activities other than investing and financing activities.
Cash Flows The following table summarizes our sources and uses of cash for the years ended December 31, 2024, 2023 and 2022: Year ended December 31, (in thousands) 2024 2023 2022 Net cash used in operating activities $ (41,707) $ (98,820) $ (169,115) Net cash provided by (used in) investing activities (2,658) 70,414 (93,779) Net cash provided by (used in) financing activities (1,495) 228 2,881 Net decrease in cash, cash equivalents, and restricted cash $ (45,860) $ (28,178) $ (260,013) 50 Table of Contents Comparison of the period for the years ended December 31, 2024 and 2023 Cash flows used in operating activities Net cash used in operating activities represents the cash receipts and disbursements related to our activities other than investing and financing activities.
Stock options are granted at exercise prices not less than the fair market value of our common stock at the dates of grant. For purposes of restricted stock unit grants, the grant date fair value is calculated as the fair market value of the stock on the date of grant.
Stock options are granted at exercise prices not less than the fair market value ("FMV") of our common stock on the grant date. The ESPP sets purchase prices as 85% of the lower of (i) the FMV of the stock on the offering date, or (ii) the FMV of the stock on the purchase date.
We do not adjust this measure for returns as our volume of returns has historically been low. We view units fulfilled as a key indicator of the growth of our business.
We view units fulfilled as a key indicator of the growth of our business.
Engineering costs increased by $1.8 million, primarily due to increased spending on new product design and development. . Sales and marketing Year ended December 31, (in thousands) 2022 2021 Change % Change Sales and marketing $ 59,494 $ 49,604 $ 9,890 19.9 % Percentage of revenue 81.1 % 79.3 % Sales and marketing expenses increased by $9.8 million, or 19.9%, for the year ended December 31, 2022 compared to the year ended December 31, 2021.
Sales and marketing Year ended December 31, (in thousands) 2023 2022 Change % Change Sales and marketing $ 39,073 $ 59,494 $ (20,421) (34.3) % Percentage of revenue 59.3 % 81.1 % Sales and marketing expenses decreased by $20.4 million, or 34.3%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Our future spending on capital resources may vary from those currently planned and will depend on various factors, including our rate of revenue growth and the timing and extent of spending on strategic business initiatives. We have restricted cash of $4.0 million as of December 31, 2023 to secure a letter of credit for one of our leases, which is expected to be maintained as a security deposit for the duration of the lease.
Our future spending on capital resources may vary from those currently planned and will depend on various factors, including our rate of revenue growth and the timing and extent of spending on strategic business initiatives.
We market and sell the Butterfly system, which includes probes, related accessories, and software subscriptions, to healthcare systems, physicians, and healthcare providers through a direct sales force, distributors, and our eCommerce channel. In 2023 and 2022, we took significant actions to reduce our cost of operations and extend our cash runway.
We aim to enable the delivery of imaging information anywhere at point-of-care to drive earlier detection throughout the body and remote management of health conditions. We market and sell the Butterfly system, which includes probes, related accessories, and software subscriptions, to healthcare systems, physicians, and healthcare providers through a direct sales force, distributors, and our eCommerce channel.
Expenses classified as “Other” are not representative of ongoing operations. Such expenses were insignificant for the year ended December 31, 2021. Liquidity and Capital Resources Since our inception, our primary sources of liquidity are cash flows from operations, proceeds from the Business Combination and issuances of preferred stock and convertible notes.
Liquidity and Capital Resources Since our inception, our primary sources of liquidity are cash flows from operations and proceeds from stock issuances and the Business Combination. Our primary uses of liquidity are operating expenses, working capital requirements, and capital expenditures. During the year ended December 31, 2024, the Company utilized $45.9 million of cash and cash equivalents.
We routinely evaluate quantities and value of our inventories in light of current market conditions and market trends and record a write-down against the cost of inventories for NRV below cost. NRV is based upon an estimated average selling price reduced by the estimated costs of completion, disposal, and transportation.
Inventory and inventory valuation Inventories are stated at the lower of actual cost, determined using the average cost method, or net realizable value (“NRV”). We routinely evaluate quantities and value of our inventories in light of current market conditions and market trends, and record a write-down against the cost of inventories for NRV below cost.
For the full year 2023 versus 2022 enterprise licenses accounted for 32.9% of licenses versus 26.7% respectively. Description of Certain Components of Financial Data Revenue Revenue consists of revenue from the sale of products, such as medical devices and accessories, and the sale of software related services, classified as software and other services revenue on our consolidated statements of operations and comprehensive loss, which are SaaS subscriptions and product support and maintenance (“Support”).
Although our software and other services revenue increased in the current year, our software and other services mix decreased due to the even larger increase in product revenue realized in the current year. 44 Table of Contents Description of Certain Components of Financial Data Revenue Revenue consists of revenue from the sale of products, such as medical devices and accessories, and the sale of software and related services, classified as software and other services revenue on our consolidated statements of operations and comprehensive loss.
Our key performance measures may fluctuate over time as the adoption of our devices increases which may shift the revenue mix more toward software and other services. The quarterly measures may be impacted by the timing of device sales. Units fulfilled We define units fulfilled as the number of devices whereby control is transferred to a customer.
The quarterly measures may be impacted by the timing of device sales. Units fulfilled We define units fulfilled as the number of devices whereby control is transferred to a customer. We do not adjust this measure for returns as our volume of returns has historically been low.
These costs are not representative of our ongoing operations. Comparison of the Years Ended December 31, 2022 and 2021 Revenue Year ended December 31, (in thousands) 2022 2021 Change % Change Product $ 50,263 $ 47,868 $ 2,395 5.0 % Software and other services 23,127 14,697 8,430 57.4 $ 73,390 $ 62,565 $ 10,825 17.3 % Product revenue increased by $2.4 million, or 5.0%, for the year ended December 31, 2022 compared to the year ended December 31, 2021.
Comparison of the Years Ended December 31, 2023 and 2022 Revenue Year ended December 31, (in thousands) 2023 2022 Change % Change Product $ 40,036 $ 50,263 $ (10,227) (20.3) % Software and other services 25,864 23,127 2,737 11.8 $ 65,900 $ 73,390 $ (7,490) (10.2) % Product revenue decreased by $10.2 million, or 20.3%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Partially offsetting these declines were increases in overall prices. Software and other services revenue increased by $2.7 million, or 11.8%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Excluding the prior-year large medical school deployments, product revenue increased 44.4% for the year ended December 31, 2024 compared to the year ended December 31, 2023. Software and other services revenue increased by $2.0 million, or 7.7%, for the year ended December 31, 2024 compared to the year ended December 31, 2023.
This was partially offset by lower probe volume and operating efficiencies in manufacturing Butterfly iQ+. Cost of subscription revenue increased by $1.3 million, or 17.7%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Cost of subscription revenue increased by $1.3 million, or 17.7%, for the year ended December 31, 2023 compared to the year ended December 31, 2022. This increase was primarily driven by higher amortization expenses related to newly deployed internally developed software that supports our SaaS offerings.
As a result of the Business Combination, we received gross proceeds of approximately $589 million. 48 Table of Contents Key Performance Measures We review the key performance measures discussed below to evaluate the business and measure performance, identify trends, formulate plans and make strategic decisions.
Key Performance Measures We review the key performance measures discussed below to evaluate the business and measure performance, identify trends, formulate plans, and make strategic decisions. Our key performance measures may fluctuate over time as the adoption of our devices increases, which may shift the revenue mix more toward software and other services.
This increase was primarily driven by higher headcount that supports our software and other services and increases in cloud hosting costs and amortization expenses. Loss on product purchase commitments decreased by $14.0 million, or 100.0%, for the year ended December 31, 2022 compared to the year ended December 31, 2021.
Cost of subscription revenue increased by $0.5 million, or 5.4%, for the year ended December 31, 2024 compared to the year ended December 31, 2023. This increase was primarily driven by higher software amortization expenses but was partially offset by lower cloud hosting costs.
Many of the assumptions require significant judgment and changes in assumptions could have a significant impact in the determination of stock-based compensation expense. No related tax benefits of the stock-based compensation expense have been recognized and no related tax benefits have been realized from the exercise of stock options due to our net operating loss carryforwards. Inventory and inventory valuation Inventories are stated at the lower of actual cost, determined using the average cost method, or net realizable value (“NRV”).
We do not apply a forfeiture rate assumption to our awards. No related tax benefits of the stock-based compensation expense have been recognized, and no related tax benefits have been realized from the exercise of stock options due to our net operating loss carryforwards.
Stock-based compensation expense is recognized over the requisite service periods of awards, which is typically three to four years. We do not apply a forfeiture rate assumption to our awards. The fair values of stock option grants are estimated using a Black-Scholes option-pricing model.
Stock-based compensation expense is generally recognized evenly over the requisite service periods of awards, which is typically three to four years for RSU and stock option grants and typically two years for ESPP options. Stock-based compensation expense for performance-based and market-based RSU grants is generally recognized using the accelerated attribution method.
The increase was primarily due to the purchase of marketable securities in 2022, and the subsequent sale of those securities in 2023.
Cash flows used in investing activities Net cash used in investing activities decreased by $164.2 million, or 175.1%, for the year ended December 31, 2023 compared to the year ended December 31, 2022. The decrease was primarily due to the purchase of marketable securities in 2022, and the subsequent sale of those securities in 2023.
In 2024, due to the launch of our next generation device iQ3, we are expecting our software as a percentage of total revenue to remain flat or decrease. To date, we have invested heavily in building out our direct salesforce, with the ultimate goal of growing adoption at large-scale healthcare systems.
To date, we have invested in building out our commercial footprint, with the ultimate goal of growing adoption at large-scale healthcare systems and driving awareness of the usability of ultrasound.
The increase was primarily due to an increase of $73.5 million in purchases and sales of marketable securities and an increase in purchases of property and equipment of $10.4 million related to the Company’s new office space and additional investments into our software platform. 57 Table of Contents Cash flows provided by financing activities Net cash provided by financing activities decreased by $562.8 million, or 99.5%, for the year ended December 31, 2022 compared to the year ended December 31, 2021.
Cash flows provided by investing activities Net cash provided by investing activities decreased by $73.1 million for the year ended December 31, 2024 compared to the year ended December 31, 2023. The decrease was primarily due to the sale of our marketable securities in 2023.
Our contracts with customers often include multiple performance obligations.
Revenue recognition We generate revenue from the sale of products and software and other services. Our contracts with customers often include multiple performance obligations.
The loss on product purchase commitments did not recur in 2022. 54 Table of Contents Research and development Year ended December 31, (in thousands) 2022 2021 Change % Change Research and development $ 88,044 $ 74,461 $ 13,583 18.2 % Percentage of revenue 120.0 % 119.0 % Research and development expenses increased by $13.5 million, or 18.2%, for the year ended December 31, 2022 compared to the year ended December 31, 2021.
Sales and marketing Year ended December 31, (in thousands) 2024 2023 Change % Change Sales and marketing $ 41,567 $ 39,073 $ 2,494 6.4 % Percentage of revenue 50.7 % 59.3 % 47 Table of Contents Sales and marketing expenses increased by $2.5 million, or 6.4%, for the year ended December 31, 2024 compared to the year ended December 31, 2023.
We consider a variety of factors and data points when determining the existence and scope of a loss for the minimum purchase commitment. The factors and data points include Company-specific forecasts which are reliant on our limited sales history, agreement-specific provisions, macroeconomic factors and market and industry trends.
Losses expected to arise from firm, non-cancelable, and unhedged commitments for the future purchase of inventory items are recognized unless the losses are recoverable through firm sales contracts or other means. We consider a variety of factors and data points when determining the existence and scope of a loss on the minimum purchase commitment.
The quarterly revenue mix may be impacted by the timing of device sales.
The quarterly revenue mix may be impacted by the timing of device sales. In 2024, due to the continued success of our next-generation iQ3 probe, our software and other services mix as a percentage of total revenue decreased.
These increases in sales and marketing expenses were partially offset by decreased digital and social marketing expenses of $1.5 million as we shifted our strategic focus from the eCommerce channel to our direct sales channel. General and administrative Year ended December 31, (in thousands) 2022 2021 Change % Change General and administrative $ 77,596 $ 85,717 $ (8,121) (9.5) % Percentage of revenue 105.7 % 137.0 % General and administrative expenses decreased by $8.1 million, or 9.5%, for the year ended December 31, 2022 compared to the year ended December 31, 2021.
General and administrative Year ended December 31, (in thousands) 2024 2023 Change % Change General and administrative $ 39,810 $ 49,613 $ (9,803) (19.8) % Percentage of revenue 48.5 % 75.3 % General and administrative expenses decreased by $9.8 million, or 19.8%, for the year ended December 31, 2024 compared to the year ended December 31, 2023.
Over the two years, we reduced our annual cash requirements by approximately $170 million, to approximately $60 million assuming no revenue growth or further reductions in expenses. As such, we conservatively expect our cash to last into 2026. As we look forward, we expect to continue to invest our business in order to grow revenue.
Since 2022, we have taken significant actions to reduce our cost of operations and extend our cash runway and have reduced our annual cash requirements by approximately $180 million, to less than $50 million annually. As we look forward, we expect to continue to invest in our business in order to grow revenue.
We plan to continue to invest additional resources to expand and further develop our SaaS and other service offerings. Also included in cost of revenue are losses on product purchase commitments relating to inventory supply agreements where the expected losses exceed the benefits of the contracts.
We plan to continue to invest additional resources to expand and further develop our SaaS and other service offerings which will be reflected in cost of revenue as amortization expense. Research and development Research and development expenses primarily consist of personnel costs and benefits, professional services, facilities-related expenses and depreciation, fabrication services, and software costs.