v3.26.1
Condensed Statements of Cash Flows - USD ($)
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Operating activities    
  Net loss $ (899,576) $ (994,140)
  Adjustments to reconcile net loss to net cash used in operating activities:    
      Stock-based compensation 170,054 70,625
      Depreciation and amortization 291,340 338,927
      Amortization of debt discount 3,645 3,646
      Amortization of operating lease ROU asset 133,606 126,919
  Changes in operating assets and liabilities:    
      Accounts receivable (486,302) (473,199)
      Inventories 350,622 (339,530)
      Prepaid expenses and other current assets (18,572) (187,938)
      Accounts payable and accrued expenses (10,473) 884,178
      Accrued payroll and related expenses (170,051) 2,878
      Net deferred revenue on shipments to distributors 7,152 (38,705)
      Deferred service revenue (2,486) (304)
      Net change in operating lease liability (137,815) (126,327)
         Net cash used in operating activities (768,856) (732,970)
Investing activities    
  Purchases of equipment and intangible assets (53,332) (52,304)
       Net cash used in investing activities (53,332) (52,304)
Financing activities    
  Proceeds from subordinated convertible notes payable 100,000
  Proceeds from subordinated convertible notes payable – related party 400,000
       Net cash provided by financing activities 500,000
Net decrease in cash and cash equivalents (322,188) (785,274)
Cash and cash equivalents at beginning of period 2,032,468 2,491,964
Cash and cash equivalents at end of period 1,710,280 1,706,690
Supplemental disclosure of cash flow information    
  Cash paid for interest $ 133,151 $ 99,125