Biggest changeFor the Year Ending December 31, Period to Period Change 2022 As a % of Sales 2021 As a % of Sales $ Percent % Revenue 15,982,438 100.0 % 18,273,442 100.0 % (2,291,004 ) (12.5 )% Cost of Goods Sold 15,415,294 96.5 16,697,296 91.4 (1,282,002 ) (7.7 ) Gross Profit 567,144 3.5 1,576,146 8.6 (1,009,002 ) (64.0 ) Operating Expenses Selling expenses 3,669,887 23.0 4,564,188 25.0 (894,301 ) (19.6 ) General and administrative expenses 5,701,955 35.7 5,836,629 31.9 (134,674 ) (2.3 ) Research and development expenses 1,835,890 11.5 1,862,653 10.2 (26,763 ) (1.4 ) Restructuring costs 1,893,166 11.8 - - 1,893,166 - Total Operating Expenses 13,100,898 82.0 12,263,470 67.1 837,428 6.8 Loss from Operations (12,533,754 ) (78.4 ) (10,687,324 ) (58.5 ) (1,846,430 ) 17.3 Other Income (Expense) Interest and other income 384,058 2.4 371,467 2.0 12,591 3.4 Interest expense (419,942 ) (2.6 ) (708,176 ) (3.9 ) 288,234 (40.7 ) Amortization discount on Convertible Note (2,389,128 ) (14.9 ) (835,331 ) (4.6 ) (1,553,797 ) 186.0 Gain (Loss) on currency transactions 404,162 2.5 668,225 3.7 (264,093 ) (39.5 ) Gain (Loss) on lease termination 147,452 0.9 - - 147,452 - Gain (Loss) on sale of fixed assets 635 0.0 1,113 0.0 (478 ) (42.9 ) Total Other Income (Expense) (1,872,763 ) (11.7 ) (502,672 ) (2.8 ) (1,370,091 ) 272.6 Loss Before Income Taxes (14,406,517 ) (90.1 ) (11,189,996 ) (61.2 ) (3,216,521 ) 28.7 Income Taxes Provision (Benefit) (237,410 ) (1.5 ) (63,036 ) (0.3 ) (174,375 ) 276.6 Net Loss (14,169,107 ) (88.7 ) (11,126,960 ) (60.9 ) (3,042,147 ) 27.3 Revenues Revenue for the year ended December 31, 2022 was $15,982,438 compared to $18,273,442 for the same period in 2021, representing a decrease of $2,291,004, or 13%.
Biggest changeFor the Year Ending December 31, Period to Period Change 2023 As a % of Sales 2022 As a % of Sales $ Percent % Revenue 18,001,652 100.0 % 15,982,438 100.0 % 2,019,214 12.6 % Cost of Goods Sold 15,226,176 84.6 15,415,294 96.5 (189,118 ) (1.2 ) Gross Profit 2,775,476 15.4 567,144 3.5 2,208,332 389.4 Operating Expenses Selling expenses 4,298,905 23.9 3,669,887 23.0 629,018 17.1 General and administrative expenses 4,856,779 27.0 5,701,955 35.7 (845,176 ) (14.8 ) Research and development expenses 1,418,842 7.9 1,835,890 11.5 (417,048 ) (22.7 ) Restructuring costs - - 1,893,166 11.8 (1,893,166 ) (100.0 ) Total Operating Expenses 10,574,526 58.7 13,100,898 82.0 (2,526,372 ) (19.3 ) Loss from Operations (7,799,050 ) (43.3 ) (12,533,754 ) (78.4 ) 4,734,704 (37.8 ) Other Income (Expense) Interest and other income 366,365 2.0 384,058 2.4 (17,693 ) (4.6 ) Interest expense (151,670 ) (0.8 ) (419,942 ) (2.6 ) 268,272 (63.9 ) Amortization discount on Convertible Note (400,903 ) (2.2 ) (2,389,128 ) (14.9 ) 1,988,225 (83.2 ) Gain (Loss) on currency transactions (359,960 ) (2.0 ) 404,162 2.5 (764,121 ) (189.1 ) Gain (Loss) on lease termination - - 147,452 0.9 (147,452 ) (100.0 ) Gain (Loss) on assets held for sale (439,388 ) (2.4 ) - - (439,388 ) - Gain (Loss) on sale of property and equipment 7,254 0.0 635 0.0 6,619 1,042.4 Total Other Income (Expense) (978,302 ) (5.4 ) (1,872,763 ) (11.7 ) 894,462 (47.8 ) Loss Before Income Taxes (8,777,352 ) (48.8 ) (14,406,517 ) (90.1 ) 5,629,166 (39.1 ) Income Taxes Provision (Benefit) (206,207 ) (1.1 ) (237,410 ) (1.5 ) 31,203 (13.1 ) Net Loss (8,571,145 ) (47.6 ) (14,169,107 ) (88.7 ) 5,597,963 (39.5 ) Revenues Revenue for the year ended December 31, 2023 was $18,001,652 compared to $15,982,438 for the same period in 2022, representing an increase of $2,019,214, or 13%.
To determine what costs can be included in the valuation of inventory, we must determine normal capacity at our manufacturing, assembly, and test facilities, based on historical production, compared to total available capacity.
To determine what costs can be included in the valuation of inventory, we must determine normal capacity at our manufacturing, assembly, and test facilities based on historical production and compared to total available capacity.
If we do not obtain required additional equity or debt funding, our cash resources will be depleted and we could be required to materially reduce or suspend operations, which would likely have a material adverse effect on our business, stock price and our relationships with third parties with whom we have business relationships, at least until additional funding is obtained.
If we do not obtain required additional equity or debt funding, our cash resources could be depleted and we could be required to materially reduce or suspend operations, which would likely have a material adverse effect on our business, stock price, and our relationships with third parties with whom we have business relationships, at least until additional funding is obtained.
Management has analyzed the impact of the current economic climate on its financial statements as of December 31, 2022 and has determined that the changes to its significant judgements and estimates did not have a material impact with respect to goodwill, intangible assets, or long-lived assets.
Management has analyzed the impact of the current economic climate on its financial statements as of December 31, 2023, and has determined that the changes to its significant judgements and estimates did not have a material impact with respect to goodwill, intangible assets, or long-lived assets.
Recovery of a portion of our deferred tax assets is impacted by management's plans and methods of allocating research and development costs to the underlying reporting units. 33 Table of Contents The calculation of our tax liabilities involves uncertainties in the application of complex tax regulations in Denmark and the United States.
Recovery of a portion of our deferred tax assets is impacted by management's plans and methods of allocating research and development costs to the underlying reporting units. 31 Table of Contents The calculation of our tax liabilities involves uncertainties in the application of complex tax regulations in Denmark and the United States.
Part of the invoicing to the customer is also attributed to the commissioning, and at transfer of the control of the system (i.e., the first performance obligation), this portion is recognized as Contract liabilities. 32 Table of Contents Aftermarket sales represent parts, extended warranties, and maintenance services.
Part of the invoicing to the customer is also attributed to the commissioning, and at transfer of the control of the system (i.e., the first performance obligation), this portion is recognized as Contract Liabilities. 30 Table of Contents Aftermarket sales represent parts, extended warranties, and maintenance services.
During the years ended December 31, 2022 and 2021, no impairment charge of long-lived assets has been recorded. 31 Table of Contents Revenue Recognition On January 1, 2018, the Company adopted Accounting Standards Codification Topic 606, “Revenue from Contracts with Customers,” which includes clarifying ASUs issued in 2015, 2016 and 2017 (“new revenue standard”).
During the years ended December 31, 2023 and 2022, no impairment charge of long-lived assets has been recorded. 29 Table of Contents Revenue Recognition On January 1, 2018, the Company adopted Accounting Standards Codification Topic 606, “Revenue from Contracts with Customers,” which includes clarifying ASUs issued in 2015, 2016 and 2017 (“new revenue standard”).
The Company did not record an impairment charge on goodwill during the years ended December 31, 2022 and 2021, as management's estimated fair value of the reporting unit exceeded its carrying value determined during impairment testing in the fourth quarters of 2022 and 2021.
The Company did not record an impairment charge on goodwill during the years ended December 31, 2023 and 2022, as management's estimated fair value of the reporting unit exceeded its carrying value determined during impairment testing in the fourth quarters of 2023 and 2022.
Product-specific facts and circumstances reviewed in the inventory valuation process include a review of the customer base, acceptance of the product by the customer and the various environmental authorities, competitors’ products, as well as an assessment of the selling price in relation to the product cost.
Product-specific facts and circumstances reviewed in the inventory valuation process include a review of the customer base, acceptance of the product by the customer and the various environmental authorities, competitors’ products, and an assessment of the selling price in relation to the product cost.
Topic 350 requires that definite intangible assets with estimable useful lives be amortized over their respective estimated useful lives and reviewed for impairment in accordance with Topic 360, Criteria for Recognition of an Impairment of Long-Lived Assets.
Topic 350 requires that definite-life intangible assets be amortized over their respective estimated useful lives and reviewed for impairment in accordance with Topic 360, Criteria for Recognition of an Impairment of Long-Lived Assets.
Going Concern and Management ’ s Plans The financial statements included elsewhere herein for the year ended December 31, 2022, were prepared under the assumption that we would continue our operations as a going concern, which contemplates the realization of assets and the satisfaction of liabilities during the normal course of business.
Going Concern and Management ’ s Plans The financial statements included herein for the period ended December 31, 2023, were prepared under the assumption that we would continue our operations as a going concern, which contemplates the realization of assets and the satisfaction of liabilities during the normal course of business.
The Company has initiated substantial cost reductions and profitability improvement measures in order to right size the business and develop a clear and sustainable path to profitability, further underpinned by an updated strategy and onboarding of key management resources. However, there can be no assurance that the Company will be able to obtain any sources of funding.
The Company has initiated substantial cost reductions and profitability improvement measures to help right-size the business and develop a clear and sustainable path to profitability, further underpinned by an updated strategy and onboarding of key executives. There can be no assurance, however, that the Company will be able to obtain any sources of funding.
We are not aware of any material transactions that are not disclosed in our consolidated financial statements. Critical Accounting Policies The methods, estimates, and judgments that we use in applying our accounting policies have a significant impact on the results that we report in our consolidated financial statements.
We are not aware of any material transactions that are not disclosed in our consolidated financial statements. Critical Accounting Policies The methods, estimates, and judgments that we use in applying our accounting policies have a significant impact on the results that we report in our consolidated financial statements, which have been prepared in accordance with U.S. GAAP.
For that purpose, we maintain a guaranteed credit line of EUR 1,350,000 (approximately $1,440,000), which is secured by a cash deposit.
For that purpose, we maintain a guaranteed credit line of EUR 850,000 (approximately $940,000), which is secured by a cash deposit.
Income taxes provision The income tax benefit for the year ended December 31, 2022 was $237,410 compared to a benefit of $63,036 for the comparable period in 2021, representing an increase of $174,374, or 277%, mainly driven by an increase in tax credits associated with research and development activities in Denmark.
Income taxes provision The income tax benefit for the year ended December 31, 2023, was $206,207 compared to a benefit of $237,410 for the comparable period in 2022, representing a decrease of $31,203, or 13%, mainly driven by a decrease in tax credits associated with research and development activities in Denmark.
The Company has historically satisfied its capital and liquidity requirements through offerings of equity instruments, cash from operations, and our available lines of credit. On December 31, 2022, the Company had net working capital of $21,581,287, including cash of $16,597,371, and on December 31, 2021, the Company had net working capital of $11,199,258, including cash of $17,489,380.
The Company has historically satisfied its capital and liquidity requirements through offerings of equity instruments, cash from operations, and our available lines of credit. On December 31, 2023, we had cash of $10,422,181 and net working capital of $14,590,430, and on December 31, 2022, we had cash of $16,597,371 and net working capital of $21,581,287.
The following is a summary of our non-cash compensation: 2022 2021 Compensation for vesting of restricted stock awards issued to the Board of Directors $ 167,750 $ 197,500 Compensation for vesting of restricted stock awards issued to management 766,673 283,604 Total Non-Cash Compensation $ 934,423 $ 481,105 Research and development expense for the year ended December 31, 2022 was $1,835,890 compared to $1,862,653 for the same period in 2021, representing a decrease of $26,763, or 1%.
The following is a summary of our non-cash compensation: 2023 2022 Compensation for vesting of restricted stock awards issued to the Board of Directors $ 203,708 $ 167,750 Compensation for vesting of restricted stock awards issued to management 424,196 766,673 Total Non-Cash Compensation $ 627,904 $ 934,423 Research and development expense for the year ended December 31, 2023, was $1,418,842 compared to $1,835,890 for the same period in 2022, representing a decrease of $417,048, or 23%.
The Company sells products throughout the world; sales by geographical region are as follows: % Distribution For the Year Ended December 31 2022 2021 2022 2021 Americas 7 % 17 % $ 1,073,433 $ 3,121,797 Asia-Pacific 21 % 25 % 3,406,420 4,658,070 Europe 59 % 58 % 9,379,337 10,493,575 Middle East & Africa 13 % 0 % 2,123,248 - 100 % 100 % $ 15,982,438 $ 18,273,442 The Company’s sales by product and service are as follows for the years ended December 31, 2022 and 2021: % Distribution For the Year Ended December 31 2022 2021 2022 2021 Water 33 % 39 % $ 5,297,286 $ 7,196,465 Ceramics 43 % 39 % 6,844,861 7,183,868 Plastics 22 % 20 % 3,528,606 3,615,681 Corporate 2 % 2 % 311,685 277,428 100 % 100 % $ 15,982,438 $ 18,273,442 For Water (systems and aftermarket), Ceramics (diesel particulate filters and membranes), and Plastics (components), revenue is recognized when performance obligations specified within the terms of a contract with the customer are satisfied, which occurs when control of the product transfers to the customer or when services are rendered by the Company.
The Company sells products throughout the world; sales by geographical region are as follows: % Distribution For the Year Ended December 31 2023 2022 2023 2022 Americas 12 % 7 % $ 2,125,460 $ 1,073,433 Asia-Pacific 14 % 21 % 2,506,215 3,406,420 Europe 65 % 59 % 11,820,674 9,379,337 Middle East & Africa 9 % 13 % 1,549,303 2,123,248 100 % 100 % $ 18,001,652 $ 15,982,438 The Company’s sales by product and service are as follows for the years ended December 31, 2023 and 2022: % Distribution For the Year Ended December 31 2023 2022 2023 2022 Water 42 % 33 % $ 7,705,080 $ 5,297,286 Ceramics 35 % 43 % 6,232,628 6,844,861 Plastics 21 % 22 % 3,736,529 3,528,606 Corporate 2 % 2 % 327,415 311,685 100 % 100 % $ 18,001,652 $ 15,982,438 For Water (systems and aftermarket), Ceramics (diesel particulate filters and membranes), and Plastics (components), revenue is recognized when performance obligations specified within the terms of a contract with the customer are satisfied, which occurs when control of the product transfers to the customer or when services are rendered by the Company.
As of December 31, 2022, we had total furnace parts and supplies of $66,495, raw materials of $2,474,227, work-in-process inventory of $982,973, total finished goods inventory of $1,201,533, and a reserve for excess and obsolescence of $663,227. The estimated future demand is included in the development of our short-term manufacturing plans to enable consistency between inventory valuation and production decisions.
As of December 31, 2023, we had total raw materials of $3,301,526, total finished goods inventory of $1,507,113, work-in-process inventory of $1,271,458, furnace parts and supplies of $55,177, and a reserve for excess and obsolescence of $867,458. The estimated future demand is included in the development of our short-term manufacturing plans to enable consistency between inventory valuation and production decisions.
General and administrative expenses for the year ended December 31, 2022, were $5,701,955 compared to $5,836,629 for the same period in 2021, representing a decrease of $134,674, or 2%.
General and administrative expenses for the year ended December 31, 2023, were $4,856,779 compared to $5,701,955 for the same period in 2022, representing a decrease of $845,176, or 15%.
Net cash used in investing activities was $1,689,986 for the year ended December 31, 2022 as compared to $1,450,139 for the year ended December 31, 2021, representing an increase of $239,847, or 17%.
Net cash used in investing activities was $2,886,036 for the year ended December 31, 2023, as compared to $1,689,986 for the year ended December 31, 2022, representing an increase of $1,196,050.
The roll-forward of Contract assets / liabilities for the periods ended December 31, 2022 and December 31, 2021 is as follows: December 31, 2022 December 31, 2021 Cost incurred $ 3,860,179 $ 3,381,994 Unbilled project deliveries 950,105 454,158 VAT 229,006 542,255 Other receivables 45,814 60,158 Prepayments (3,363,039 ) (2,947,736 ) Deferred Revenue (118,327 ) (499,146 ) $ 1,603,738 $ 991,682 Distributed as follows: Contract assets $ 2,253,295 $ 1,906,510 Contract liabilities (649,557 ) (914,828 ) $ 1,603,738 $ 991,682 Income Taxes We must make estimates and judgments in determining the provision for income taxes for financial statement purposes.
The roll-forward of Contract assets / liabilities for the periods ended December 31, 2023 and December 31, 2022 is as follows: December 31, 2023 December 31, 2022 Cost incurred $ 3,225,728 $ 3,860,179 Unbilled project deliveries 582,557 950,105 VAT 329,980 229,006 Other receivables 92,619 45,814 Prepayments (1,688,427 ) (3,363,039 ) Deferred Revenue (33,360 ) (118,327 ) $ 2,509,097 $ 1,603,738 Distributed as follows: Contract assets $ 2,891,744 $ 2,253,295 Contract liabilities (382,647 ) (649,557 ) $ 2,509,097 $ 1,603,738 Income Taxes We must make estimates and judgments in determining the provision for income taxes for financial statement purposes.
Cash provided by financing activities was $13,696,551 for the year ended December 31, 2022 as compared to $13,902,999 for the year ended December 31, 2021.
Cash provided by financing activities was $580,645 for the year ended December 31, 2023, as compared to $13,696,551 for the year ended December 31, 2022, representing a decrease of $13,115,906.
Cash used by operating activities for the year ended December 31, 2022 was $12,039,020 compared to cash used by operating activities of $7,203,843 for the year ended December 31, 2021, representing an increase of $4,835,177.
Cash used by operating activities for the year ended December 31, 2023, was $4,183,918 compared to cash used by operating activities of $12,039,020 for the year ended December 31, 2022, representing a decrease of $7,855,102.
The cash used by operating activities for the year ended December 31, 2022 consists mainly of the net loss for the year of $(14,169,107) adjusted by depreciation and other non-cash items of $5,705,351.
The cash used by operating activities for the year ended December 31, 2023, consists mainly of the net loss for the year of $(8,571,145) adjusted by depreciation and other non-cash items of $4,544,181.
Other income (expenses) Total Other income (expense) for the year ended December 31, 2022 was $(1,872,763) compared to $(502,672) for the comparable period in 2021, representing an increase of $(1,370,091), or 273%.
Other income (expenses) Total Other income (expense) for the year ended December 31, 2023, was $(978,302) compared to $(1,872,763) for the comparable period in 2022, representing a decrease of $894,462, or 48%.
The change was primarily attributable to non-recurring restructuring costs, early repayment of the Convertible Note issued in April 2021, the increase in non-cash compensation, the closure of the production facility in China, and the CEO transition.
The change was primarily attributable to the improved gross profit combined with the notable non-recurring items recorded in 2022, including restructuring costs, early repayment of the Convertible Note, closure of the production facility in China, and the CEO transition.
Based on current projections, which are subject to significant uncertainties, including the duration and severity of global macroeconomic issues, commodity volatility, and continued global supply chain disruptions, the Company believes the cash on hand, as well as ongoing cash generated from operations, will be sufficient to cover its capital requirements and committed investments for the next 12 months.
Based on current projections, which are subject to significant uncertainties--including the duration and severity of global macroeconomic issues, geopolitical instability, commodity price volatility, and continued global supply chain disruptions--the Company believes that the cash on hand, as well as ongoing cash generated from operations, will be sufficient to cover its capital requirements and committed investments for the next 12 months. 26 Table of Contents Continued market uncertainty and reduced order intake caused by weakening global macroeconomic conditions, recession, or a resurgence of the COVID-19 pandemic, however, could unfavorably impact the Company’s ability to generate positive cash flow and thereby significantly reduce its profitability and liquidity position.
Net Income/Loss Net income/loss for the year ended December 31, 2022 was $(14,169,107) compared to $(11,126,960) for the comparable period in 2021, representing an increased loss of $3,042,147.
Net Loss Net loss for the year ended December 31, 2023 was $(8,571,145) compared to $(14,169,107) for the comparable period in 2022, representing an improvement of $5,597,963, or approximately 40%.
If we do not have sufficient funds to continue operations, we could be required to seek bankruptcy protection or other alternatives that could result in our stockholders losing some or all of their investment in us.
If we do not have sufficient funds to continue operations, we could be required to seek bankruptcy protection or other alternatives that could result in our stockholders losing some or all of their investment. 27 Table of Contents Cash Flows Year Ended December 31, 2023 Compared to Year Ended December 31, 2022 Cash used by operating activities is net income (losses) adjusted for certain non-cash items and changes in assets and liabilities.
By incorporating LiqTech's SiC liquid membrane technology with its long-standing systems design experience and capabilities, the Company offers solutions to the most difficult water pollution problems. 2022 Developments On March 18, 2022 the Company announced that Sune Mathiesen, Chief Executive Officer, had taken a medical leave of absence. Alexander J.
By incorporating LiqTech's SiC liquid membrane technology with its long-standing systems design experience and capabilities, the Company offers solutions to the most difficult water pollution problems. 2023 Developments On February 15, 2023, the Company entered into a distribution agreement with Liquinex regarding the supply of silicon carbide ceramic membranes.
Gross Profit Gross profit for the year ended December 31, 2022 was $567,144 compared to $1,576,146 for the same period in 2021, representing a decrease of $1,009,002, or approximately 64%.
Gross Profit Gross profit for the year ended December 31, 2023, was $2,775,476, or 15.4%, compared to $567,144, or 3.5%, for the same period in 2022, representing an increase of $2,208,332, or approximately 389%.
We discuss these policies further below as well as the estimates and judgments involved. 30 Table of Contents Accounts Receivable / Long Term Receivable / Allowance for Doubtful Accounts / Bad Debt We assess the collectability of accounts receivable and long-term receivables on an ongoing basis and establish an allowance for doubtful accounts when collection is no longer reasonably assured.
We discuss these policies further below as well as the estimates and judgments involved. 28 Table of Contents Accounts Receivable / Long-Term Receivable / Allowance for Doubtful Accounts / Bad Debt Accounts receivable consist of trade receivables arising from credit sales to customers in the normal course of business.
The increase in net working capital of $10,382,029 compared to December 31, 2021 is mainly a result of the capital raise and repayment of the Convertible Note. In connection with certain orders, we provide the customer a working guarantee, a prepayment guarantee, or a security bond.
On December 31, 2023, our net working capital had decreased by $6,990,857 compared to December 31, 2022, mainly due to a reduction in cash and cash equivalents. In connection with certain orders, we provide the customer a working guarantee, a prepayment guarantee, or a security bond.
However, these savings were partly offset by non-recurring costs related to the CEO transition (increased non-cash compensation and recruitment expense) and consultancy costs associated with the now closed Chinese factory. 27 Table of Contents Included in general and administrative expenses is non-cash compensation expense of $934,423 and $481,105 for the years ended December 31, 2022 and December 31, 2021, respectively, representing an increase of $453,318, or 94%, attributable to stock grants to management in the context of the CEO transition.
The decrease is attributed to reduced legal expenses, the absence of costs associated with the now-closed production facility in China, the CEO transition, and other transition costs related to management changes executed in 2022. 25 Table of Contents Included in general and administrative expenses is non-cash compensation expense of $627,904 and $934,423 for the years ended December 31, 2023 and December 31, 2022, respectively, representing a decrease of $306,519, or 33%, mainly explained by the stock grants awarded to management amid the 2022 CEO transition.
As of December 31, 2022, we had cash and cash equivalents of $16,597,371, an accumulated deficit of $67,351,035, and total liabilities of $16,816,283. We have incurred losses from continuing operations, have used cash in our continuing operations, and are dependent on additional financing to fund operations.
As of December 31, 2023, we had cash and cash equivalents of $10,422,181, net working capital of $14,590,430, an accumulated deficit of $75,922,180, and total assets and liabilities of $35,971,847 and $18,695,831, respectively. We have incurred losses from continuing operations, used cash in our continuing operations, and remain dependent on external financing to fund operations.
Restructuring costs for the year ended December 31, 2022, were $1,893,166 compared to $0 for the same period in 2021 fully attributable to the restructuring program that was executed in the second quarter (See Note 3).
The decrease was attributable to the centralization of R&D efforts to streamline R&D spend and allow for better resource allocation and prioritization of projects. Restructuring costs for the year ended December 31, 2023, were $0 compared to $1,893,166 for the same period in 2022.
The roll-forward of the allowance for doubtful accounts for the year ended December 31, 2022 and December 31, 2021 was as follows: 2022 2021 Allowance for doubtful accounts at the beginning of the period $ 409,076 $ 498,044 Bad debt expense (24,534 ) (28,499 ) Receivables written off during the periods (295,778 ) (24,415 ) Effect of currency translation (29,205 ) (36,054 ) Allowance for doubtful accounts at the end of the period $ 59,559 $ 409,076 The receivables written off during the period 2022 mainly relates to legacy marine scrubber contracts and partnerships, renegotiated and terminated amid the COVID disruptions and general slowdown in the marine scrubber market.
The roll-forward of the allowance for doubtful accounts for the year ended December 31, 2023 and December 31, 2022 was as follows: 2023 2022 Allowance for doubtful accounts at the beginning of the period $ 59,559 $ 409,076 Bad debt expense 82,066 (24,534 ) Receivables written off during the periods (10,298 ) (295,778 ) Effect of currency translation 3,585 (29,205 ) Allowance for doubtful accounts at the end of the period $ 134,912 $ 59,559 Goodwill and Definite-life intangible assets The Company accounts for Goodwill and definite-life intangible assets in accordance with the provisions of the Statement of Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) Topic 350, Intangibles, Goodwill and Other.
Further, changes in assets and liabilities include an increase of Accounts receivables of $460,837, an increase in Contract assets/liabilities of $695,616, and a decrease in Accrued expenses of $1,632,896, offset by a decrease in Inventory of $984,130.
Further, changes in assets and liabilities included an increase of Inventory of $1,045,838, an increase of Accounts receivables of $765,956, and an increase in Contract assets/liabilities of $1,108,589, offset by a decrease in Deposits of $1,403,707 and an increase of Accounts payable of $990,538.
For the year ended December 31, 2021, the change was mainly attributable to the net cash proceeds of $14,283,333 related to the Convertible bond issuance in March 2021. 2022 2021 Net Cash Used in Operating Activities $ (12,039,020 ) $ (7,203,843 ) Net Cash Used in Investing Activities (1,689,986 ) (1,450,139 ) Net Cash Provided by Financing Activities 13,696,551 13,902,999 Net Change in Cash and Cash Equivalents (892,009 ) 4,224,931 Cash and Cash Equivalents at End of Period $ 16,597,371 $ 17,489,380 Off-Balance Sheet Arrangements As of December 31, 2022, we had no off-balance sheet arrangements.
The decrease was mainly driven by the equity raise recorded in May 2022, generating net proceeds of $24,418,612 from the issuance of Common Stock and prefunded warrants, coupled with proceeds of $6,000,000 from the issuance of the new Senior Promissory Notes, and partly offset by the full repayment of the Convertible Note issued in April 2021 of $16,800,000. 2023 2022 Net Cash Used in Operating Activities $ (4,183,918 ) $ (12,039,020 ) Net Cash Used in Investing Activities (2,886,036 ) (1,689,986 ) Net Cash Provided by Financing Activities 580,645 13,696,551 Net Change in Cash and Cash Equivalents (6,175,190 ) (892,009 ) Cash and Cash Equivalents at End of Period $ 10,422,181 $ 16,597,371 Off-Balance Sheet Arrangements As of December 31, 2023, we had no off-balance sheet arrangements.
On December 20, 2022, the Company entered into a cooperation agreement with Ecolotron Wasterwater Solutions on a combined solution for Phosporic acid purification 25 Table of Contents Results of Operations Results of Operations for the Year Ended December 31, 2022 Compared to the Year Ended December 31, 2021 The following table sets forth our revenues, expenses, and net income for the years ended December 31, 2022 and 2021 in U.S. dollars, except for percentages.
On November 13, 2023, the Company filed an amendment to its Articles of Incorporation to increase the number of authorized shares of the Company’s common stock from 12,500,000 shares to 50,000,000 shares, which was approved by the Company’s stockholders at the Company’s on November 9, 2023. 23 Table of Contents Results of Operations Results of Operations for the Year Ended December 31, 2023 Compared to the Year Ended December 31, 2022 The following table sets forth our revenues, expenses, and net income for the years ended December 31, 2023 and 2022 in U.S. dollars, except for percentages.
Selling expenses for the year ended December 31, 2022, were $3,669,887 compared to $4,564,188 for the same period in 2021, representing a decrease of $894,301 or approximately 20%.
Selling expenses for the year ended December 31, 2023, were $4,298,905 compared to $3,669,887 for the same period in 2022, representing an increase of $629,018, or approximately 17%. The increase is explained by the onboarding of new sales and commercial leadership in 2023, partly offset by the ongoing focus on cost reduction and reduced bad debt expenses.
Included in the gross profit for the year ended December 31, 2022 is depreciation of $1,822,402 compared to $1,957,357 for the same period in 2021. Expenses Total operating expenses for the year ended December 31, 2022 were $13,100,898, representing an increase of $837,428, or approximately 7%, compared to $12,263,470 for the same period in 2021.
Expenses Total operating expenses for the year ended December 31, 2023, were $10,574,526, representing a decrease of $2,526,372, or approximately 19%, compared to $13,100,898 for the same period in 2022. Adjusting for the reported restructuring costs of $1,893,166 incurred in 2022, total operating expenses decreased by $633,206, or 6%.
The decline in revenue was primarily due to lower system sales and currency headwinds due to weakening of the EUR and DKK compared to the USD, partly offset by growth in sales of DPFs and plastics products measured in local currency. ● For the years ended December 31, 2022 and 2021, sales of systems, spare parts and related services were $5,297,286 and $7,196,465, respectively, and accounted for 33% and 39% of our total sales. ● For the years ended December 31, 2022 and 2021, sales of DPFs and ceramic membranes were $6,844,861 and $7,183,868, respectively, and accounted for 43% and 39% of our total sales. ● For the years ended December 31, 2022 and 2021, plastics revenues were $3,528,606 and $3,615,681, respectively, and accounted for 22% and 20% of our total sales. 26 Table of Contents The decrease in sales of systems and related services of $1,899,179, reflecting a year on year decline of 26%, was a result of the negative impact of the uncertain macroeconomic environment and prolonged inflationary pressure, but also increased supply chain restrictions and general market volatility, which has resulted in significant restrictions and business limitations including a substantial decline in the demand and delivery of water treatment systems for the global marine scrubber industry.
The increase in revenue was underpinned by an uptick in system sales, general spare parts and related services, and plastic component sales, partly offset by a decline in sales of DPFs and ceramic membranes. ● For the years ended December 31, 2023 and 2022, sales of systems, spare parts and related services were $7,705,080 and $5,297,286, respectively, and accounted for 42% and 33% of our total sales. ● For the years ended December 31, 2023 and 2022, sales of DPFs and ceramic membranes were $6,232,628 and $6,844,861, respectively, and accounted for 35% and 43% of our total sales. ● For the years ended December 31, 2023 and 2022, plastics revenues were $3,736,529 and $3,528,606, respectively, and accounted for 21% and 22% of our total sales. 24 Table of Contents The increase in system sales and related services of $2,407,794, reflecting a year-on-year increase of 46%, is a result of the increased focus on aftermarket activities through the establishment of a new dedicated aftermarket organization that generated an uptick in spare parts and membrane housing orders, , coupled with continued traction within our system business related to pool and marine system deliveries as well as oil & gas and industrial system applications.