Biggest changeThe increase was primarily due to: ● an increase of $675,000 in IP expenses due to maintenance, defense, and commercialization efforts of existing patents; ● the provision of $229,000 due to a VAT audit by the Israeli Tax Authority; ● an increase of $528,000 in stock-based compensation due to new option grants; ● expenses of approx. $206,000 related to our efforts to uplist to Nasdaq; ● an increase in in payroll expenses due to the hiring of additional employees, including a new CEO and controller, and a shift in the position of the CFO from part-time to full-time; and ● an increase in professional services expenses due to the hiring of a financial consultant, HR consultant, the appointment of new directors and additional hires. 36 Operating loss We incurred an operating loss of $9,112,000 for the year ended December 31, 2021, an increase of $4,406,000, or 94%, compared to operating loss of $4,706,000 for the year ended December 31, 2020.
Biggest changeGeneral and administrative expenses for the year ended December 31, 2023 were $4,431,000, an increase of $854,000, or 24%, compared to $3,577,000 for the year ended December 31, 2022. 38 The increase was primarily due to: - an increase in payroll expenses, due to additional employee recruitment; - an increase in patent related expenses due to maintenance, defense, and commercialization efforts involving existing patents; - an increase in professional services expenses due to the hiring of a financial consultant, IR consultant, HR consultant and the appointment of new directors ; - an increase in rent and maintenance, due to our new offices in Ramat Gan; and - In 2022, we benefited from the cancellation of a provision of $129,000 related to additional taxes due following entrance into an agreement with the Israel Tax Authority (the “ITA”).
The main effect of this activity was an increase in the number of employees to enable the Company to manage the anticipated increased workload and solution development.
The main effect of this activity was an increase in the number of employees to enable the Company to manage the anticipated increased workload and solution development activity.
The decrease was primarily due to: - A decrease in IP expenses of $506,000. - A decrease in stock-based compensation of $580,000. - A decrease in professional services of $334,000, mainly due to expenses of $206,000 in expenses incurred in 2021 related to our efforts to uplist to Nasdaq. - Cancellation of a provision of $129,000 related to additional taxes due following entrance into an agreement with the Israeli Tax Authority.
The decrease was primarily due to: - A decrease in stock-based compensation of $580,000. - A decrease in IP expenses of $506,000. - A decrease in professional services of $334,000, mainly due to expenses of $206,000 in expenses incurred in 2021 related to our efforts to uplist to Nasdaq. - Cancellation of a provision of $129,000 related to additional taxes due following our entrance into an agreement with the Israeli Tax Authority.
In September 2021, the Company accrued an amount of approximately NIS 740,000 ($229,000) for additional taxes due following a VAT audit by the Israeli Tax Authority for the years 2019-2021. In July 2022, the Company reached an agreement with the Israeli Tax Authority, according to which the amount due in additional taxes was reduced to approximately NIS 340,000 ($100,000).
In September 2021, the Company accrued an amount of approximately NIS 740,000 ($229,000) for additional taxes due following a VAT audit by the Israeli Tax Authority for the years 2019-2021. In July 2022, the Company reached an agreement with the Israeli Tax Authority, according to which the amount due of additional taxes was reduced to approximately NIS 340,000 ($100,000).
The main effect of this activity was an increase in the number of employees to enable the Company to manage the anticipated increased workload and solution development.
The main effect of this activity was an increase in the number of employees to enable the Company to manage the anticipated increased workload and solution development activity.
Financing Activities During the year ended December 31, 2021, cash provided by financing activities was $22.6 million, consisting primarily of $19.1 million from cash proceeds from issuance of shares and warrants in a private placement and $3.5 million proceeds from exercise of outstanding warrants.
Financing Activities During the year ended December 31, 2021, cash provided by financing activities was $22.6 million, consisting primarily of $19.1 million from cash proceeds from issuance of shares and warrants in a private placement and $3.5 million proceeds from the exercise of outstanding warrants.
Comparison of the Year Ended December 31, 2022 and the Year Ended December 31, 2021 The following table sets forth the significant sources and uses of cash for the years ended December 31, 2022 and December 31, 2021 (in dollars): 2022 2021 Cash used in Operating Activities (6,095,000 ) (5,886,000 ) Cash provided by (used in) Investing Activities 7,882,000 (11,595,000 ) Cash provided by Financing Activities - 22,559,000 Operating Activities During the year ended December 31, 2022, cash used in operating activities was $6.1 million, consisting of net loss of $9.5 million, partially offset by a non-cash benefit of $2.1 million and a favorable net change in operating assets and liabilities of $1.3 million.
Comparison of the Year Ended December 31, 2022 and the Year Ended December 31, 202 1 The following table sets forth the significant sources and uses of cash for the years ended December 31, 2022 and December 31, 2021 (in dollars): 2022 2021 Cash used in Operating Activities (6,095,000 ) (5,886,000 ) Cash provided by (used in) Investing Activities 7,882,000 (11,595,000 ) Cash provided by Financing Activities - 22,559,000 Operating Activities During the year ended December 31, 2022, cash used in operating activities was $6.1 million, consisting of net loss of $9.5 million, partially offset by a non-cash benefit of $2.1 million and a favorable net change in operating assets and liabilities of $1.3 million.
During the year ended December 31, 2021, cash used in operating activities was $5.9 million, consisting of net loss of $9 million, partially offset by a non-cash benefit of $2 million and an favorable net change in operating assets and liabilities of $1.1 million. Our non-cash benefit consisted primarily of non-cash charges of $2 million for stock-based compensation.
During the year ended December 31, 2021, cash used in operating activities was $5.9 million, consisting of net loss of $9 million, partially offset by a non-cash benefit of $2 million and a favorable net change in operating assets and liabilities of $1.1 million. Our non-cash benefit consisted primarily of non-cash charges of $2 million for stock-based compensation.
We expect that our research and development expenses will increase as we continue to develop our products and service and recruit additional research and development employees to the I4.0 domain. Sales and Marketing Expenses Sales and marketing expenses primarily consist of personnel costs, consulting services, promotional materials, demonstration equipment, and certain allocated facilities infrastructure costs.
We expect that our research and development expenses will increase as we continue to develop our products and service and recruit additional research and development employees to the I4.0 domain. 40 Sales and Marketing Expenses Sales and marketing expenses primarily consist of personnel costs, consulting services, promotional materials, demonstration equipment, and certain allocated facilities infrastructure costs.
The preparation of these financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported revenues and expenses during the reporting periods. We evaluate these estimates and judgments on an ongoing basis.
GAAP. The preparation of these financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported revenues and expenses during the reporting periods. We evaluate these estimates and judgments on an ongoing basis.
We expense research and development costs as incurred. 33 Research and development expenses for the year ended December 31, 2022, were $4,197,000, an increase of $2,195,000, or 110%, compared to $2,002,000 for the year ended December 31, 2021.
We expense research and development costs as incurred. Research and development expenses for the year ended December 31, 2022, were $4,197,000, an increase of $2,195,000, or 110%, compared to $2,002,000 for the year ended December 31, 2021.
The amounts were recognized based on the expected manufacturing term of the product, which the Company estimates at seven years. ● enlarging focus on R&D activities in the domain of I4.0 (including PdM and CBM in sectors such as aerospace, maritime energy and other heavy machinery, engines and complicated mechanics which have a need for monitoring and predictive maintenance applications).
The amounts were recognized based on the expected manufacturing term of the product, which the Company estimates at seven years. ● Increased focus on R&D activities in the domain of I4.0 (including PdM and CBM in sectors such as aerospace, maritime energy and other heavy machinery, engines and complicated mechanics which have a need for monitoring and predictive maintenance applications).
We currently believe that our existing cash and cash equivalents and short-term deposits will allow our to fund ours operating plan through at least the next 12 months. We expect our expenses will increase in connection with our ongoing activities, particularly as we continue the research and development and the scale up process of our I4.0 solutions.
We currently believe that our existing cash and cash equivalents and short-term deposits will allow us to fund our operating plan through at least the next 12 months. We expect our expenses will increase in connection with our ongoing activities, particularly as we continue the research and development and the scale up process of our I4.0 solutions.
Through ScoutCam Ltd., we are a pioneer in the development, production, and marketing of innovative Predictive Maintenance (PdM) and Condition Based Monitoring (CBM) technologies, providing visual sensing and AI-based video analytics solutions for critical systems in the aviation, maritime, industrial non-destructing-testing industries, transportation, and energy industries.
We are a pioneer in the development, production, and marketing of innovative Predictive Maintenance (PdM) and Condition Based Monitoring (CBM) technologies, providing visual sensing and AI-based video analytics solutions for critical systems in the aviation, maritime, industrial non-destructing-testing industries, transportation, and energy industries.
As a result, during the year ended December 31, 2022, the Company recognized development services revenues and related development costs that had been previously deferred.
As a result, during the year ended December 31, 2022, the Company recognized development services revenues and related development costs that have been previously deferred.
The following table summarizes our results of operations for the years ended December 31, 2022 and 2021, together with the changes in those items in dollars and as a percentage: 2022 2021 % Change Revenues 665,000 387,000 72 % Cost of Revenues 1,631,000 1,108,000 47 % Gross Loss (966,000 ) (721,000 ) 34 % Research and development expenses 4,197,000 2,002,000 110 % Sales and marketing expense 699,000 908,000 (23 )% General and administrative expenses 3,577,000 5,481,000 (35 )% Operating Loss (9,439,000 ) (9,112,000 ) 4 % Revenues As a result of the nature of our target market and the current stage of our development, a substantial portion of our revenue comes from a limited number of customers. 32 For the year ended December 31, 2022, we generated revenues of $665,000, an increase of $278,000, or 72%, from 2021 revenues.
The following table summarizes our results of operations for the years ended December 31, 2022 and 2021, together with the changes in those items in dollars and as a percentage: 2022 2021 % Change Revenues 665,000 387,000 72 % Cost of revenues 1,631,000 1,108,000 47 % Gross Loss (966,000 ) (721,000 ) 34 % Research and development expenses 4,197,000 2,002,000 110 % Sales and marketing expense 699,000 908,000 (23 )% General and administrative expenses 3,577,000 5,481,000 (35 )% Operating Loss (9,439,000 ) (9,112,000 ) 4 % 39 Revenues As a result of the nature of our target market and the current stage of our development, a substantial portion of our revenue comes from a limited number of customers.
The increase was primarily due to: - An increase in payroll expenses due to additional employee recruitments (such as in the areas of procurement, production planning and control, engineering, and quality inspectors) to support the transition to serial production for the Fortune 500 customer. - In the second quarter of 2022, the Company completed the development service stage of its miniature camera solution and moved to the production stage.
The increase was primarily due to: - An increase in payroll expenses due to additional employee recruitment (such as in the areas of procurement, production planning and control, engineering, and quality inspectors) to support the transition to serial production for the Fortune 500 customer. - In the second quarter of 2022, the Company completed the development stage of its endoscopic camera solution and moved to the production stage.
The increase was primarily due to an increase in payroll expenses (including stock-based compensation) due to additional employee recruitments, materials and subcontractors, rent and maintenance expenses due to enlarging focus on R&D activities in the domain of I4.0.
The increase was primarily due to an increase in payroll expenses (including stock-based compensation) due to additional employee recruitment, materials and subcontractors, rent and maintenance expenses due to increased focus on R&D activities in the domain of I4.0.
Our cash flows from operating activities will continue to be affected due to the expected increase of spending on our business and our working capital requirements.
Our cash flows from operating activities will continue to be affected due to the expected increase in spending on our business and to meet our working capital requirements.
Surgical during 2022. - A decrease of $61,000 due to an overall decrease in sales of the Company’s component products to occasional customers. Remaining performance obligations (“RPO”) represents contracted revenue that have not yet been recognized, which include deferred revenue and amounts that will be invoiced and recognized as revenue in future periods.
Surgical during 2022, a decrease of approximately $199,000 from 2021. - A decrease of $61,000 due to an overall decrease in sales of the Company’s component products to occasional customers. Remaining performance obligations (“RPOs”) represents contracted revenue that have not yet been recognized, which include deferred revenue and amounts that will be invoiced and recognized as revenue in future periods.
We did not record any revenue from our miniature camera solution with the Fortune 500 company during 2021. This increase in revenues was partly offset by the following: - Total revenues recorded from A.M. Surgical during 2021 amounted to approximately $199,000. We did not record any revenue from A.M.
Total revenues recorded from our endoscopic camera solution with the Fortune 500 company during 2022, amounted to approximately $538,000. We did not record any revenue from our endoscopic camera solution with the Fortune 500 company during 2021. This increase in revenues was partly offset by the following: - We did not record any revenue from A.M.
The increase in operating loss was primarily due to increases in expenses related to general and administrative, research and development, and sales and marketing, as described above.
The increase in operating loss was due to increases in research and development expenses, general and administrative expenses and sales and marketing expense, each as described above.
We have not paid dividends and does not anticipate paying dividends in the foreseeable future. Accordingly, no dividend yield was assumed for purposes of estimating the fair value of our stock-based compensation. The weighted average expected life of options was estimated individually in respect of each grant.
Treasury yield as determined by the U.S. Federal Reserve. We have not paid dividends and does not anticipate paying dividends in the foreseeable future. Accordingly, no dividend yield was assumed for purposes of estimating the fair value of our stock-based compensation. The weighted average expected life of options was estimated individually in respect of each grant.
Revenues from development services that we determine as not distinct from our performance obligation to manufacture the product under development are deferred until commencement of manufacturing and are recognized over the manufacturing term.
Development Services Revenue and Contract Liabilities We determine at contract inception whether development services are distinct from the performance obligation to manufacture the product under development. Revenues from development services that we determine as not distinct from our performance obligation to manufacture the product under development are deferred until commencement of manufacturing and are recognized over the manufacturing term.
Liquidity and Capital Resources As of December 31, 2022, we had cash and cash equivalents of $10.1 million and short-term deposits of $3 million compared to cash and cash equivalents of $8.6 million and short-term deposits of $11 million as of December 31, 2021.
Liquidity and Capital Resources As of December 31, 2023, we had cash and cash equivalents of $8.9 million and short-term deposits of $8.1 million compared to cash and cash equivalents of $10.1 million and short-term deposits of $3 million as of December 31, 2022.
Our non-cash benefit consisted primarily of non-cash charges of $2 million for stock-based compensation. The net change in our operating assets and liabilities primarily reflects cash inflows from changes in contract liability of $1.6 million partially offset by cash outflows from changes in contract fulfillment assets of $0.5 million.
Our non-cash benefit consisted primarily of non-cash charges of $1.6 million for stock-based compensation. The net change in our operating assets and liabilities primarily reflects cash inflows from changes in contract liability of $1.2 million.
We recognize stock-based compensation cost for option awards on an accelerated basis over the employee’s requisite service period, net of estimated forfeitures. Volatility is derived from the historical volatility of publicly traded set of peer companies. The risk-free interest rates used in the Black-Scholes calculations are based on the prevailing U.S. Treasury yield as determined by the U.S. Federal Reserve.
We recognize stock-based compensation cost for option awards on an accelerated basis over the employee’s requisite service period, and forfeitures are accounted for as they occur. 36 Volatility is derived from the historical volatility of publicly traded set of peer companies. The risk-free interest rates used in the Black-Scholes calculations are based on the prevailing U.S.
Investing Activities During the year ended December 31, 2022, cash provided by investing activities was $7.9 million, consisting mainly of withdrawal, net of short-term deposits. During the year ended December 31, 2021, cash used in investing activities was $11.6 million, consisting of investment in short-term deposits of $11 million and purchases of property and equipment of $0.6 million.
During the year ended December 31, 2021, cash used in investing activities was $11.6 million, consisting of investment in short-term deposits of $11 million and purchases of property and equipment of $0.6 million.
On December 30, 2019, we acquired all of the issued and outstanding share capital of ScoutCam Ltd. Following this transaction, we integrated and fully adopted ScoutCam Ltd.’s business into our Company as our primary business activity. On December 31, 2019, we changed our name to ScoutCam Inc.
On December 30, 2019, we acquired all of the issued and outstanding share capital of ScoutCam Ltd. and, on December 31, 2029, changed our name to ScoutCam Inc. Following this acquisition, we integrated and fully adopted the acquired miniaturized imaging business into our Company as our primary business activity. On June 5, 2023, we changed our name to Odysight.ai Inc.
Some of our products utilize our unique micro visualization technology in medical devices for complex and minimally invasive medical procedures. Our technology includes proven video technologies and products amalgamated into a first-of-its-kind, FDA-cleared minimally invasive surgical device. At the present time, we derive a substantial portion of our revenue from applications of our micro visualization technology within the medical field.
Some of our products utilize our unique micro visualization technology in medical devices for complex and minimally invasive medical procedures. Our technology includes proven video technologies and products amalgamated into a first-of-its-kind, FDA-cleared minimally invasive surgical device.
During the year ended December 31, 2020, cash used in operating activities was $4.2 million, consisting of net loss of $4.7 million, non-cash charges of $1.1 million and a unfavorable net change in operating assets and liabilities of $0.6 million. Our non-cash charges consisted primarily of stock-based compensation expense of $1.1 million.
During the year ended December 31, 2022, cash used in operating activities was $6.1 million, consisting of net loss of $9.5 million, partially offset by a non-cash benefit of $2.1 million and a favorable net change in operating assets and liabilities of $1.3 million. Our non-cash benefit consisted primarily of non-cash charges of $1.6 million for stock-based compensation.
We expect that our research and development expenses will increase as we continue to develop our products and service and recruit additional research and development employees to the I4.0 domain.
We expect that our research and development expenses will increase as we continue to develop our products and services and recruit additional research and development employees due to increased focus on R&D activities in the domain of I4.0.
Cash Flows Our primary uses of cash from operating activities have been for headcount-related expenditures, research and development costs, manufacturing costs, marketing and promotional expenses, professional services cost, and costs related to our facilities. Our cash flows from operating activities will continue to be affected due to the expected increase of spending on our business and our working capital requirements.
Cash Flows Our primary uses of cash from operating activities have been for headcount-related expenditures, research and development costs, manufacturing costs, marketing and promotional expenses, professional services cost, and costs related to our facilities.
The net change in our operating assets and liabilities primarily reflects cash outflows from the changes in contract fulfillment assets of $1.1 million, accrued expenses and other of $0.4 million and other assets of $0.3 million, partially offset by cash inflows from changes in inventory of $0.7 million and change in contract liability of $0.3 million. 38 Investing Activities During the year ended December 31, 2021, cash used in investing activities was $11.6 million, consisting of investment in short-term deposits of $11 million and purchases of property and equipment of $0.6 million.
The net change in our operating assets and liabilities primarily reflects cash inflows from changes in contract liability of $1.6 million partially offset by cash outflows from changes in contract fulfillment assets of $0.5 million. Investing Activities During the year ended December 31, 2022, cash provided by investing activities was $7.9 million, consisting mainly of withdrawal of short-term deposits, net.
Determining the amount of stock-based compensation to be recorded requires us to develop estimates of the fair value of stock options as of their grant date. We estimate the fair value of each stock option grant using the Black-Scholes option-pricing model. Calculating the fair value of stock-based awards requires that we make subjective assumptions.
We estimate the fair value of each stock option grant using the Black-Scholes option-pricing model. Calculating the fair value of stock-based awards requires that we make subjective assumptions.
The net change in our operating assets and liabilities primarily reflects cash inflows from changes in contract liability of $1.2 million. 37 During the year ended December 31, 2021, cash used in operating activities was $5.9 million, consisting of net loss of $9 million, partially offset by a non-cash benefit of $2 million and a favorable net change in operating assets and liabilities of $1.1 million.
The net change in our operating assets and liabilities primarily reflects cash inflows from changes in contract liability of $1.2 million. 42 Investing Activities During the year ended December 31, 2023, cash used in investing activities was $5.1 million, consisting mainly of investment of short-term deposits, net.
Our unique video-based sensors, embedded software, and AI algorithms are being deployed in hard-to-reach locations and harsh environments across a variety of PdM and CBM use cases.
At the present time, we derive a substantial portion of our revenue from applications of our micro visualization technology within the medical field. 35 Our unique video-based sensors, embedded software, and AI algorithms are being deployed in hard-to-reach locations and harsh environments across a variety of PdM and CBM use cases.
In addition, as of December 31, 2022, we incurred an accumulated deficit of $24.8 million compared to $15.3 million as of December 31, 2021. Our primary sources of liquidity to date have been from fund raising and warrant exercises. Additional Cash Requirements We plan to continue to invest for long-term growth, and therefore we expect that our expenses will increase.
In addition, as of December 31, 2023, we incurred an accumulated deficit of $34.2 million compared to $24.8 million as of December 31, 2022. Our primary sources of liquidity to date have been from fund raising and warrant exercises.
The increase in revenues was primarily due to the completion of development of the product relating to our miniature camera solution with a Fortune 500 company and moving to production stage. Total revenues recorded from our miniature camera solution with the Fortune 500 company during 2022, amounted to approximately $538,000.
For the year ended December 31, 2022, we generated revenues of $665,000, an increase of $278,000, or 72%, from 2021 revenues. The increase in revenues was primarily due to the completion of development of the product relating to our endoscopic camera solution with a Fortune 500 company and moving to production stage.
Cost of Revenues Cost of revenues for the year ended December 31, 2021 were $1,108,000, an increase of $114,000, or 11%, compared to cost of revenues of $994,000 for the year ended December 31, 2020.
Cost of Revenues Cost of revenues for the year ended December 31, 2023, were $2,524,000 an increase of $893,000, or 55%, compared to cost of revenues of $1,631,000 for the year ended December 31, 2022.
Critical Accounting Policies and Estimates Our management’s discussion and analysis of our financial condition and results of operations is based on our financial statements, which we have prepared in accordance with generally accepted accounting principles in the United States, or U.S. GAAP.
See also Risk Factors – “Conditions in Israel, including the October 7, 2023 attack by Hamas and other terrorist organizations and Israel’s war against them, if escalated, could negatively affect our operations.” Critical Accounting Policies and Estimates Our management’s discussion and analysis of our financial condition and results of operations is based on our financial statements, which we have prepared in accordance with generally accepted accounting principles in the United States, or U.S.
Financing Activities During the year ended December 31, 2021, cash provided by financing activities was $22.6 million, consisting primarily of $19.1 million from cash proceeds from issuance of shares and warrants in a private placement and $3.5 million proceeds from exercise of outstanding warrants.
During the year ended December 31, 2022, cash provided by investing activities was $7.9 million, consisting mainly of withdrawal of short-term deposits, net. Financing Activities During the year ended December 31, 2023, cash provided by financing activities was $13.8 million, consisting of cash proceeds from issuance of shares and warrants in a private placement.
As a result, during the year 2021, we have deferred all service revenues billed by us and the respective service costs. 31 Stock-Based Compensation We apply the fair value recognition provisions of ASC 718, Compensation—Stock Compensation , or ASC 718, for stock-based awards granted to employees, directors, and other providers for their services.
Stock-Based Compensation We apply the fair value recognition provisions of ASC 718, Compensation—Stock Compensation , or ASC 718, for stock-based awards granted to employees, directors, and other providers for their services. Determining the amount of stock-based compensation to be recorded requires us to develop estimates of the fair value of stock options as of their grant date.
The increase in operating loss was primarily due to increases in gross loss and expenses related to research and development, partially offset by decrease in general and administrative expenses and sales and marketing expenses. 34 Comparison of the Year Ended December 31, 2021 and the Year Ended December 31, 2020 Overview The Company’s primary business activities during 2021 were: ● completion of R&D and transition to the serial production in connection with a customer-specific project for a Fortune 500 multinational healthcare corporation; and ● enlarging its focus on R&D activities in the domain of I4.0 (including PdM and CBM in sectors such as the aviation, energy and automotive).
Comparison of the Year Ended December 31, 2023 and the Year Ended December 31, 2022 Overview The Company’s primary business activities during 2023 were: ● Production and supply of product to a Fortune 500 multinational healthcare corporation. ● Enlarging our focus on R&D activities in the domain of I4.0 (including PdM and CBM in sectors such as aerospace, maritime energy and other heavy machinery, engines and complicated mechanics which have a need for monitoring and predictive maintenance applications).
The increase was primarily due to a decrease in revenues and an increase in cost of revenues as described above. Research and Development Expenses Research and development expenses for the year ended December 31, 2021 were $2,002,000, an increase of $1,277,000, or 176%, compared to $725,000 for the year ended December 31, 2020.
We expense research and development costs as incurred. Research and development expenses for the year ended December 31, 2023 were $5,602,000, an increase of $1,405,000, or 33%, compared to $4,197,000 for the year ended December 31, 2022.
The following table summarizes our results of operations for the years ended December 31, 2021 and 2020, together with the changes in those items in dollars and as a percentage: 2021 2020 % Change Revenues 387,000 491,000 (21 )% Cost of Revenues 1,108,000 994,000 11 % Gross Loss (721,000 ) (503,000 ) 43 % Research and development expenses 2,002,000 725,000 176 % Sales and marketing expense 908,000 443,000 105 % General and administrative expenses 5,481,000 3,035,000 81 % Operating Loss (9,112,000 ) (4,706,000 ) 94 % Revenues For the year ended December 31, 2021, we generated revenues of $387,000, a decrease of $104,000, or 21%, from 2020 revenues.
The following table summarizes our results of operations for the years ended December 31, 2023 and 2022, together with the changes in those items in dollars and as a percentage: 2023 2022 % Change Revenues 3,033,000 665,000 356 % Cost of Revenues 2,524,000 1,631,000 55 % Gross Profit (Loss) 509,000 (966,000 ) 153 % Research and development expenses 5,602,000 4,197,000 33 % Sales and marketing expense 1,109,000 699,000 59 % General and administrative expenses 4,431,000 3,577,000 24 % Operating Loss (10,633,000 ) (9,439,000 ) 13 % Revenues As a result of the nature of our target market and the current stage of our development, a substantial portion of our revenue comes from a limited number of customers.
Our non-cash benefit consisted primarily of non-cash charges of $1.6 million for stock-based compensation.
Our non-cash benefit consisted primarily of non-cash charges of $1.7 million for stock-based compensation. The unfavorable net change in our operating assets and liabilities was primarily due to an increase in accounts receivable of $1.3 million and decrease in contract liabilities of $1.3 million.
Sales and Marketing Expenses Sales and marketing expenses for the year ended December 31, 2021 were $908,000, an increase of $465,000, or 105%, compared to $443,000 for the year ended December 31, 2020.
Sales and Marketing Expenses Sales and marketing expenses primarily consist of payroll expenses, consulting services, promotional materials, exhibitions, demonstration equipment, and certain allocated facility infrastructure costs. Sales and marketing expenses for the year ended December 31, 2023 were $1,109,000, an increase of $410,000, or 59%, compared to $699,000 for the year ended December 31, 2022.
General and Administrative Expenses General and administrative expenses for the year ended December 31, 2021 were $5,481,000, an increase of $2,446,000, or 81%, compared to $3,035,000 for the year ended December 31, 2020.
For the year ended December 31, 2023, we generated revenues of $3,033,000, an increase of $2,368,000, or 356%, from 2022 revenues.