Biggest changeComparison of the Years Ended December 31, 2024 and 2023 (in thousands) Year Ended December 31, Dollar Variance Percentage Variance Results as a Percentage of Net Revenues for the Year Ended December 31, Favorable Favorable 2024 2023 (Unfavorable) (Unfavorable) 2024 2023 Net sales $ 13,970 $ 15,293 $ (1,323 ) (9 )% 100.0 % 100.0 % Cost of sales (includes inventory write-downs of $900 and $450, respectively) 12,656 14,598 1,942 13 % 90.6 % 95.5 % Gross profit 1,314 695 619 89 % 9.4 % 4.5 % Sales and marketing expenses 1,010 1,172 162 14 % 7.2 % 7.7 % Research and development expenses 771 1,222 451 37 % 5.5 % 8.0 % General and administrative expenses 3,908 4,291 383 9 % 28.0 % 28.1 % Total operating expenses 5,689 6,685 996 15 % 40.7 % 43.7 % Loss from operations (4,375 ) (5,990 ) 1,615 (27 )% (31.3 )% (39.2 )% Interest and finance costs (649 ) (559 ) (90 ) 16 % (4.6 )% (3.7 )% Other income (expense), net 347 1 346 34600 % 2.5 % 0.0 % Loss before income taxes (4,677 ) (6,548 ) 1,871 (29 )% (33.5 )% (42.8 )% Income tax — — — — — — Net loss $ (4,677 ) $ (6,548 ) $ 1,871 (29 )% (33.5 )% (42.8 )% 38 Net Sales.
Biggest changeComparison of the Years Ended December 31, 2025 and 2024 (in thousands) Year Ended December 31, Dollar Variance Percentage Variance Results as a Percentage of Net Revenues for the Year Ended December 31, Favorable Favorable 2025 2024 (Unfavorable) (Unfavorable) 2025 2024 Net sales $ 6,304 $ 13,970 $ (7,666 ) (55 )% 100.0 % 100.0 % Cost of sales (includes inventory write-downs of $1,967 and $900, respectively) 9,460 12,656 3,196 25 % 150.1 % 90.6 % Gross profit (loss) (3,156 ) 1,314 (4,470 ) (340 )% (50.1 )% 9.4 % Sales and marketing expenses 807 1,010 203 20 % 12.8 % 7.2 % Research and development expenses 646 771 125 16 % 10.2 % 5.5 % General and administrative expenses 3,359 3,908 549 14 % 53.3 % 28.0 % Impairment of right-of-use assets and lease deposits 455 — (455 ) — 7.2 % 0.0 % Total operating expenses 5,267 5,689 422 7 % 83.6 % 40.7 % Loss from operations (8,423 ) (4,375 ) (4,048 ) (93 )% (133.6 )% (31.3 )% Interest and finance costs (720 ) (649 ) (71 ) (11 )% (11.4 )% (4.6 )% Other income (expense), net 10 347 (337 ) (97 )% 0.2 % 2.5 % Loss before income taxes (9,133 ) (4,677 ) (4,456 ) (95 )% (144.9 )% (33.5 )% Income tax — — — — — — Net loss $ (9,133 ) $ (4,677 ) $ (4,456 ) (95 )% (144.9 )% (33.5 )% 43 Net Sales.
However, there can be no assurance that we will be successful in fulfilling such orders and commitments in a timely manner or that we will ultimately recognize as revenue the amounts reflected in our backlog. Item 7A. Quantitative and Qualitative Disclosures About Market Risk. Not applicable.
However, there can be no assurance that we will be successful in fulfilling such orders and commitments in a timely manner or that we will ultimately recognize as revenue the amounts reflected in our backlog. 49 Item 7A. Quantitative and Qualitative Disclosures About Market Risk. Not applicable.
These stationary systems incorporate photovoltaic and other sources of renewable energy into our DC hybrid power system. Our DC power systems are available in diesel, natural gas, LPG / propane and renewable formats, with diesel, natural gas and propane gas being the predominate formats.
These stationary systems incorporate photovoltaic and other sources of renewable energy into our DC hybrid power system. 39 Our DC power systems are available in diesel, natural gas, LPG / propane and renewable formats, with diesel, natural gas and propane gas being the predominate formats.
In 2024. We demonstrated a microgrid product that can provide 24/7 electric power to a commercial facility. This project was funded by UNHCR a United Nations organization. The product included DC generator, battery storage, AC inverter, solar charge controller and remote monitoring in a single container which can be delivered to any remote location to provide power.
In 2024, we developed a microgrid product that can provide 24/7 electric power to a commercial facility. This project was funded by UNHCR a United Nations organization. The product included DC generator, battery storage, AC inverter, solar charge controller and remote monitoring in a single container which can be delivered to any remote location to provide power.
We plan to develop new configurations of DC power system, battery storage and solar products to optimize the match between our solutions and various application needs. 35 Critical Accounting Policies We believe that the following critical accounting policies, among others, affect our more significant judgment and estimates used in the preparation of our financial statements: Revenue Recognition.
We plan to develop new configurations of DC power system, battery storage and solar products to optimize the match between our solutions and various application needs. 40 Critical Accounting Policies We believe that the following critical accounting policies, among others, affect our more significant judgment and estimates used in the preparation of our financial statements: Revenue Recognition.
See “Risk Factors” commencing on page 17 of this Annual Report on Form 10-K for additional considerations. 37 Results of Operations The tables presented below, which compare our results of operations from one period to another, present the results for each period, the change in those results from one period to another in both dollars and percentage change, and the results for each period as a percentage of net revenues.
See “Risk Factors” commencing on page 18 of this Annual Report on Form 10-K for additional considerations. 42 Results of Operations The tables presented below, which compare our results of operations from one period to another, present the results for each period, the change in those results from one period to another in both dollars and percentage change, and the results for each period as a percentage of net revenues.
Once inventory has been written down, it creates a new cost basis for inventory that may not subsequently written up. 36 Effects of Inflation The impact of inflation and changing prices during 2024 has not been significant on the financial condition or results of operations of our company.
Once inventory has been written down, it creates a new cost basis for inventory that may not subsequently written up. 41 Effects of Inflation The impact of inflation and changing prices during 2025 has not been significant on the financial condition or results of operations of our company.
Our largest customer in each year was a Tier-1 telecommunications customer in the U.S., and our second largest customer in each year was a telecommunications customer outside the U.S. There was no other revenue from customers in excess of 10% of total net sales in either period.
Our largest customer in each year was a Tier-1 telecommunications customer in the U.S., and our second largest customer in 2024 was a telecommunications customer in Puerto Rico. There was no other revenue from customers in excess of 10% of total net sales in either period.
Sources of Liquidity During the year ended December 31, 2024, we funded our operations primarily from cash on hand. As of December 31, 2024, we had working capital of $7,037, as compared to working capital of $11,775 at December 31, 2023.
Sources of Liquidity During the year ended December 31, 2025, we funded our operations primarily from cash on hand. As of December 31, 2025, we had working capital of $(262), as compared to working capital of $7,037 at December 31, 2024.
The amount of backlog represents revenue that we anticipate recognizing in the future, as evidenced by purchase orders and other purchase commitments received from customers, but on which work has not yet been initiated or with respect to which work is currently in progress.
Backlog As of December 31, 2025, we had a backlog of $4,306. The amount of backlog represents revenue that we anticipate recognizing in the future, as evidenced by purchase orders and other purchase commitments received from customers, but on which work has not yet been initiated or with respect to which work is currently in progress.
During those periods, the majority of our sales were of our DC base powers systems. During 2024 and 2023, sales to international customers accounted for 13% and 21% of total revenue, respectively. Sales to military customers during 2024 and 2023 accounted for 8% and 3% of total revenues, respectively.
During those periods, the majority of our sales were of our DC base powers systems. During 2025 and 2024, sales to international customers accounted for 7% and 13% of total revenue, respectively. Sales to military customers during 2025 and 2024 accounted for 8% and 8% of total revenues, respectively.
We continue to search for qualified engineers to join our engineering team and to support our customer diversification efforts. General and Administrative Expenses . Our general and administrative expenses decreased by $383 to $3,908 during 2024, as compared to $4,291 during 2023.
We continue to search for qualified engineers to join our engineering team and to support our customer diversification efforts. General and Administrative Expenses . Our general and administrative expenses decreased by $549 to $3,359 during 2025, as compared to $3,908 during 2024.
During 2024, research and development expenses decreased by $451 to $771, as compared to $1,222 during 2023. The decrease in 2024 is attributed to a decrease in engineering staff during 2024 as compared to 2023. Our research and development efforts during 2024 primarily focused on product customization on new customers orders, our mobile EV chargers, and solar hybrid power systems.
The decrease in 2025 is attributed to a decrease in engineering staff during 2025 as compared to 2024. Our research and development efforts during 2025 primarily focused on product customization on new customers orders, our mobile EV chargers, and solar hybrid power systems.
Backlog at December 31, 2024 was comprised of the following elements: 56% in purchases of DC power systems by telecommunications customers in the U.S., 35% in purchases in military markets, and 9% in purchases by customers in the marine and other markets. We believe the majority of our backlog will be shipped within the next six to twelve months.
Backlog at December 31, 2025 was comprised of the following elements: 82% in purchases of DC power systems by telecommunications customers, 17% in purchases in military markets, and 2% in purchases by customers in the marine and other markets. We believe the majority of our backlog will be shipped within the next six to twelve months.
In 2023, our two largest customers represented 50% and 18% of our total net sales, respectively, one being a Tier-1 telecommunications customer in the U.S. and one being a telecommunications customer outside the U.S. There was no other revenue from customers in excess of 10% of total net sales in either period.
In 2024, our two largest customers represented 48% and 14% of our total net sales, respectively, one being a Tier-1 telecommunications customer in the U.S. and one being a telecommunications customer in Puerto Rico. There was no other revenue from customers in excess of 10% of total net sales in either period.
Financial Performance Summary – Year Ended December 31, 2024 Our net sales for the year ended December 31, 2024, were $13,970, as compared to $15,293 for the year ended December 31, 2023. We reported a net loss of $4,677 for 2024, as compared to net loss of $6,548 for 2023.
Financial Performance Summary – Year Ended December 31, 2025 Our net sales for the year ended December 31, 2025, were $6,304, as compared to $13,970 for the year ended December 31, 2024. We reported a net loss of $9,133 for 2025, as compared to net loss of $4,677 for 2024.
We expect our future capital resources will consist primarily of cash on hand, cash generated by operations, drawdowns on our credit facility with Pinnacle Bank and future debt or equity financings, if any. 40 Credit Facility Effective September 30, 2020, we entered into a Loan and Security Agreement, or Loan Agreement, with Pinnacle.
We expect our future capital resources will consist primarily of cash on hand, cash generated by operations, drawdowns on our credit facility with Pinnacle Bank and future debt or equity financing, if any. 47 Credit Facility Effective September 30, 2020, the Company entered into an Loan Agreement with Pinnacle which will expire on September 30, 2026.
During the years ended December 31, 2024 and 2023, 88% and 95%, respectively, of our total net sales were within the telecommunications market. In 2024, our two largest customers represented 48% and 14% of our total net sales, respectively, one being a Tier-1 telecommunications customer in the U.S. and one being a telecommunications customer outside the U.S.
During the years ended December 31, 2025 and 2024, 88% and 88%, respectively, of our total net sales were within the telecommunications market. In 2025, our largest customer, being a Tier-1 telecommunications in the U.S., represented 65% of our total net sales.
Interest on the portion of the daily balance consisting of advances against inventory accrues interest at a rate of 2.25% above the prime rate per annum, or the Inventory Interest Rate, but in no event will the Inventory Interest Rate be less than 4.75% per annum.
Interest on the portion of the daily balance consisting of advances against inventory accrues interest at a rate of 2.25% above the prime rate, but in no event less than 4.75% per annum (9.0% at December 31, 2025 and 9.75% at December 31, 2024).
During 2024, revenue from telecommunications customers accounted for 88% of total net sales, as compared to 95% of total net sales during 2023. Our two largest customers represented 48% and 14% of our total net sales in 2024, as compared to 50% and 18% in 2023.
During 2025, revenue from telecommunications customers accounted for 88% of total net sales, as compared to 88% of total net sales during 2024. Our largest customer represented 65% of our total net sales in 2025, as compared to our two largest customers that accounted for 48% and 14% in 2024, respectively.
In May 2023, we announced plans to expand our mobile offerings by upgrading our mobile CHAdeMO EV chargers to the universal combined charging system standard to reach the mobile EV charging market. Mobile EV chargers are used for emergency roadside service providing a fast-charging solution for EVs that have run out of charge before reaching a stationary charging facility.
During 2024 and 2025, we worked on upgrading our mobile CHAdeMO EV chargers to the universal combined charging system standard to reach the mobile EV charging market. Mobile EV chargers are used for emergency roadside service providing a fast-charging solution for EVs that have run out of charge before reaching a stationary charging facility.
During 2024 and 2023, sales to the marine and other markets accounted for 4% and 2% of total revenue, respectively. We launched our prime power DC generators incorporating the Toyota 1KS engines optimized for propane, natural gas, and extremely long operational life.
Sales to customers in the marine market accounted for 1% of total net sales during 2025, and 3% in 2024. Sales to customers in other markets represented 3% of total net sales in 2025, and 1% in 2024. We launched our prime power DC generators incorporating the Toyota 1KS engines optimized for propane, natural gas, and extremely long operational life.
On December 31, 2024, and December 31, 2023, our net trade receivables totaled $2,153 and $1,676, respectively. On December 31, 2024, $1,771 (82%) represented the largest open customer account balance, while $1,156 (69%) and $264 (16%) represented the two largest open customer account balances on December 31, 2023.
On December 31, 2025, and December 31, 2024, our net trade receivables totaled $330 and $2,153, respectively. On December 31, 2025, $196 (59%) represented the largest open customer account balance, while $1,771 (82%) represented the largest open customer account balances on December 31, 2024.
As a result of the factors identified above, we generated a net loss of $4,677, or ($1.86) per basic and diluted share, for 2024, as compared to net loss of $6,548, or ($3.45) per basic and diluted share, for 2023, a decrease loss of $1,871.
As a result of the factors identified above, we generated a net loss of $9,133, or ($3.59) per basic and diluted share, for 2025, as compared to net loss of $4,677, or ($1.86) per basic and diluted share, for 2024, representing an increased loss of $4,456.
The decrease was attributable to a slight decrease in sales support staff during 2024 as compared the same period in 2023. We plan to increase our sales force and increase our marketing and tradeshow activities in 2025 to support our diversification strategy and expand our customer base in all market segments. 39 Research and Development Expenses.
We plan to increase our sales force and increase our marketing and tradeshow activities in 2026 to support our diversification strategy and expand our customer base in all market segments. Research and Development Expenses. During 2025, research and development expenses decreased by $125 to $646, as compared to $771 during 2024.
During 2024 and 2023, sales to international customers accounted for 13% and 21% of total revenue, respectively. Sales to military customers during 2024 and 2023 accounted for 8% and 3% of total revenues, respectively. Sales to marine and other markets during 2024 and 2023 accounted for 4% and 2% of total revenue, respectively.
During 2025 and 2024, sales to international customers accounted for 7% and 13% of total revenue, respectively. Sales to military customers during 2025 and 2024 accounted for 8% and 8% of total revenues, respectively. Sales to customers in the marine market accounted for 1% of total revenues in 2025, and 3% in 2024.
In May 2024, the Company received $2,000 of the ERC receivable. Our available capital resources on December 31, 2024, consisted primarily of $498 in cash and cash equivalents, as compared to $549 as of December 31, 2023.
Our available capital resources on December 31, 2025, consisted primarily of $200 in cash and cash equivalents, as compared to $498 as of December 31, 2024.
We plan to continue take proactive steps to manage our operations and mitigate the financial impacts of higher costs, supply chain issues, and geopolitical factors. We have $12.9 million in inventory and completed updating our manufacturing facilities to accommodate three to four times the annual revenue of 2024.
We plan to continue take proactive steps to manage our operations and mitigate the financial impacts of higher costs, supply chain issues, and geopolitical factors.
Interest accrues on the daily balance at a rate of 1.25% above the prime rate, or the Standard Interest Rate, but in no event will the Standard Interest Rate be less than 3.75% per annum.
Borrowings based on receivables bears an interest on the daily balance at a rate of 1.25% above the prime rate, but in no event less than 3.75% per annum (8.0% at December 31, 2025 and 8.75% at December 31, 2024).
These factors raise substantial doubt about the Company’s ability to continue as a going concern within one year of the date that the financial statements are issued.
For the year ended December 31, 2025, the Company recorded a net loss of $9,133 and used cash in operating activities of $1,061. These factors raise substantial doubt about the Company’s ability to continue as a going concern within one year of the date that the financial statements are issued.
Our historical results are not necessarily indicative of the results to be expected for any future period, and results for any interim period are not necessarily indicative of the results to be expected for the full year. 34 Overview We design, manufacture, and sell DC power generators, renewable energy and cooling systems for applications primarily in the telecommunications market and, to a lesser extent, in other markets, including military, electric vehicle charging, marine and industrial.
Overview We design, manufacture, and sell DC power generators, renewable energy and cooling systems for applications primarily in the telecommunications market and, to a lesser extent, in other markets, including military, electric vehicle charging, marine and industrial. We are continuously diversifying our customer base and are selling our products into non-telecommunication markets and applications at an increasing rate.
We plan to continually improve our inventory turns to generate cash flow from operations combined with austerity measures on non-essentials overhead to manage cash flow while sales improves. During 2024, we successfully reduced overhead expenses by $996 to improve cash generated through operations.
We plan to continue to market our products globally and expand our customer base in all market segments. We plan to continually improve our inventory turns to generate cash flow from operations combined with austerity measures on non-essentials overhead to manage cash flow while sales improves.
Inventories are stated at the lower of cost or net realizable value, with cost determined on a first-in, first-out (“FIFO”) basis.
We estimate the actual historical warranty claims coupled with an analysis of unfulfilled claims to record a liability for specific warranty purposes. Inventory . Inventories are stated at the lower of cost or net realizable value, with cost determined on a first-in, first-out (“FIFO”) basis.
We also recognize revenue from the rental of equipment. Our rental revenues have not been significant to date and have accounted for less than one percent of total revenues for the years ended December 31, 2024 and 2023. Warranty Costs .
We also recognize revenue from the rental of equipment. Our rental revenues have not been significant to date and have accounted for $nil of total revenues for the years ended December 31, 2025 and 2024. Warranty Costs . We provide limited warranties for parts and labor at no cost to our customers within a specified time period after the sale.
This decrease in net cash used in 2024 was primarily due to a net loss of $4,677, a decrease in ERC receivable of $2,000, a decrease in refundable income taxes of $787, and a decrease in accounts payable of $1,354.
This decrease in net cash used in 2025 was primarily due to a net loss of $9,133, a decrease in proceeds from ERC receivable of $2,000, and a decrease in refundable income taxes of $787. Investing Activities Net cash used in investing activities for 2025 totaled $nil as compared to $19 for 2024, a decrease of $19.
Provisions for estimated expenses related to product warranties are made at the time products are sold. These estimates are established using historical information about the nature, frequency and average cost of warranty claim settlements as well as product manufacturing and recovery from suppliers.
These estimates are established using historical information about the nature, frequency and average cost of warranty claim settlements as well as product manufacturing and recovery from suppliers. Management actively studies trends of warranty claims and takes action to improve product quality and minimize warranty costs.
Liquidity, Capital Resources and Going Concern Going Concern The Company’s financial statements have been prepared under the assumption that the Company will continue as a going concern. For the year ended December 31, 2024, the Company recorded a net loss of $4,677 and used cash in operations of $536.
Liquidity, Capital Resources and Going Concern Going Concern The accompanying financial statements have been prepared under the assumption that the Company will continue as a going concern.
Cost of sales as a percentage of net sales decreased from 95.5% in 2023 to 90.6% in 2024 primarily as a result of a decrease in factory overhead absorption as compared to the same period in 2023.
Cost of sales as a percentage of net sales increased from 90.6% in 2024 to 150.1% in 2025 primarily as a result of an increase in factory overhead absorption as compared to the same period in 2024. Cost of sales includes inventory write-downs of $1,967 in 2025, and $900 in 2024, to adjust inventory to net realizable value.
Most of our sales were of our DC base powers systems during the two years. Cost of Sales . Cost of sales decreased by $1,942 or 13%, to $12,656 during 2024, compared to $14,598 during 2023.
Customers in other markets during 2025 and 2024 accounted for 2% and 1% of total revenue, respectively. Most of our sales were of our DC base powers systems during the two years. Cost of Sales . Cost of sales decreased by $3,196 or 25%, to $9,460 during 2025, compared to $12,656 during 2024.
Our sales backlog as of December 31, 2024, was $1,306, with 53% of that amount being attributable to our largest U.S. telecommunications customer, 3% attributed to other telecommunications customers, 36% to customers in the military markets, and 9% to customers in marine and other markets.
Our sales backlog as of December 31, 2025, was $4,306, with 82% of that amount being attributable to our telecommunications customers, 17% attributed to customers in military markets, 1% to customers in marine market, and 1% in other markets. The Company expects to complete shipment of these orders within the next six to twelve months.
We recognized a gross profit of $1,314 during 2024, as compared to a gross profit of $695 during 2023, which represents an increase in gross profit of $619 or 89%. Gross profit as a percentage of net sales increased to 9.4% in 2024, as compared to 4.5% in 2023.
Gross Profit (Loss) . We recognized a gross loss of $3,156 during 2025, as compared to a gross profit of $1,314 during 2024, which represents a decrease in gross profit of $4,470 or 340%.
As of December 31, 2024, we had availability under the Loan Agreement of $654 and we believe that we are in compliance with the terms and conditions of the Loan Agreement. 41 Cash Flow The following table sets forth the significant sources and uses of cash for the periods set forth below (in thousands): Year Ended December 31, 2024 2023 Net Cash Provided By (Used In): Operating Activities $ (536 ) $ (3,430 ) Investing Activities $ (19 ) $ (194 ) Financing Activities $ 504 $ 3,962 Net increase (decrease) in cash $ (51 ) $ 338 Operating Activities Net cash used in operating activities for 2024 was $536, as compared to $3,430 for the same period in 2023.
Of these amounts, $106 in 2025 and $99 in 2024 were recorded under general and administrative expenses, while $640 in 2025 and $634 in 2024 were recorded under interest expense and finance costs in the accompanying statements of operations. 48 Cash Flow The following table sets forth the significant sources and uses of cash for the periods set forth below (in thousands): Year Ended December 31, 2025 2024 Net Cash Provided By (Used In): Operating Activities $ (1,061 ) $ (536 ) Investing Activities $ - $ (19 ) Financing Activities $ 763 $ 504 Decrease in cash $ (298 ) $ (51 ) Operating Activities Net cash used in operating activities for 2025 was $1,061, as compared to $536 for the same period in 2024.
We offer a limited extended warranty of up to five years on our certified DC power systems based on application and usage. Our warranties are of an assurance-type and come standard with all of our products to cover repair or replacement should product not perform as expected.
Our warranties are of an assurance-type and come standard with all of our products to cover repair or replacement should product not perform as expected. Provisions for estimated expenses related to product warranties are made at the time products are sold.
During 2024, sales to our customers in the U.S. were $12,108, or 87% of total net sales, as compared to 79% in 2023. During 2024, our largest customer represented 48% of our total net sales, as compared to 50% in 2023.
Cost of sales includes inventory write-downs of $1,967 in 2025, and $900 in 2024, to adjust inventory to net realizable value. During 2025, sales to our customers in the U.S. were $6,219, or 93% of total net sales, as compared to $12,108, or 87% in 2024.
The decrease in general and administrative expenses during 2024 was primarily due a decrease in the number of general and administrative staff during 2024, as compared to 2023. Interest and Finance Costs. Our interest expense was $649 in 2024, as compared to $559 in 2023. Our interest expense is primarily from borrowings from our credit facility. Net Loss.
The decrease in general and administrative expenses during 2025 was primarily due a decrease in the number of general and administrative staff during 2025, as compared to 2024. Impairment of right-to-use assets and lease deposits.
The Loan Agreement, provides for a revolving credit facility under which Pinnacle may, in its sole discretion upon our request, make advances to us in an amount, subject to certain limitations and adjustments, of up to (a) 85% of the aggregate net face amount of our accounts receivable and other contract rights and receivables, plus (b) the lesser of (i) 35% of the lower of cost or wholesale market value of certain of our inventory or (ii) $2,500.
The Loan Agreement, as amended, provides for a revolving credit facility under which Pinnacle may, in its sole discretion upon the Company’s request, make advances to us up to $7,500, subject to certain limitations and adjustments. The Loan Agreement contains certain affirmative and negative covenants.
Our ability to continue as a going concern is dependent upon our ability to obtain additional financing, drive further operating efficiencies, reduce expenditures, and ultimately, create profitable operations Our ability to obtain additional financing in the debt and equity capital markets is subject to several factors, including market and economic conditions, our performance and investor sentiment with respect to us and our industry.
Its ability to obtain additional financing in the debt and equity capital markets is subject to several factors, including market and economic conditions, its performance and investor sentiment with respect to the Company and its industry. The Company has taken action to diversify sales to consume existing inventory, increase higher margin aftermarket parts revenue, to fund operations.
We provide limited warranties for parts and labor at no cost to our customers within a specified time period after the sale. Our standard warranty on new products is two years from the date of delivery to the customer.
Our standard warranty on new products is two years from the date of delivery to the customer. We offer a limited extended warranty of up to five years on our certified DC power systems based on application and usage.
This $4,738 decrease in working capital is primarily attributable to a $51 decrease in cash and cash equivalents resulting from net cash of $536 used in operating activities, net cash used in investing activities of $19 for the acquisition of new property and equipment, and net cash from financing activities of $504 which includes net proceeds of $559 from our credit facility.
This $7,299 decrease in working capital is primarily attributable to a $298 decrease in cash and cash equivalents resulting from net cash of $1,061 used in operating activities, net cash used in investing activities of $nil, and net cash from financing activities of $763 which includes net proceeds of $757 from sale of the Company’s common shares, net proceeds of $437 from a commercial loan, and proceeds of $330 from borrowings from a related party.
Investing Activities Net cash used in investing activities for 2024 totaled $19, as compared to $194 for 2023, a decrease of $175. Net cash used in investing activities was primarily due to acquisitions of property and equipment.
Net cash used in investing activities in 2024 was primarily due to acquisitions of property and equipment. Financing Activities Net cash provided by financing activities totaled $763 for 2025, as compared to $504 provided by financing activities during 2024, an increase of $259. This cash provided was primarily proceeds from notes payable and shares sold under the ATM facility.
Our international sales were $1,862, or 13% of total net sales in 2024, as compared to $3,216, or 21%, during 2023.
During 2025, sales to our international customer were $415, or 7% of our total net sales, as compared to $1,862, or 13% of total net sales in 2024. We believe economic and geopolitical factors have influenced our customers’ buying decisions, particularly international customers, delaying pushing orders to 2026.
Net sales decreased by $1,323, or 9%, to $13,970 for the year ended December 31, 2024, as compared to $15,293 for the year ended December 31, 2023. The decrease in net sales is primarily due to a decrease in deliveries of our DC power generators to our largest telecommunications customer in the U.S.
Net sales decreased by $7,666, or 55%, to $6,304 for the year ended December 31, 2025, as compared to $13,970 for the year ended December 31, 2024. Net sales to our largest customer decreased approximately 40% from 2024 sales, and international net sales decreased approximately 78% from 2024 sales.