v3.26.1
Condensed Statements of Cash Flows - USD ($)
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Operating activities    
  Net loss $ (2,245,972) $ (1,786,281)
  Adjustments to reconcile net loss to net cash used in operating activities:    
      Stock-based compensation 349,983 301,315
      Depreciation and amortization 561,379 681,876
      Amortization of debt discount 6,804 7,291
      Amortization of operating lease ROU Asset 268,959 255,439
  Changes in operating assets and liabilities:    
      Accounts receivable 540,616 (184,168)
      Inventories 400,852 97,578
      Prepaid expenses and other current assets 838 (143,555)
      Other assets (22,277)
      Accounts payable and accrued expenses (129,021) (43,053)
      Accrued payroll and related expenses (160,856) (83,466)
      Net deferred revenue on shipments to distributors (20,212) (20,180)
      Deferred service revenue 74,395 (473)
      Net change in operating lease liability (280,674) (257,457)
         Net cash used in operating activities (632,909) (1,197,411)
Investing activities    
  Purchases of equipment and computer hardware and software (144,040) (189,221)
  Proceeds from tenant improvements allowance
       Net cash used in investing activities (144,040) (189,221)
Financing activities    
  Proceeds from subordinated convertible notes payable-related party 400,000 1,250,000
  Proceeds from subordinated convertible notes payable 100,000 250,000
  Repayments of subordinated convertible notes payable (150,000)
  Proceeds from stock options exercised
       Net cash provided by financing activities 350,000 1,500,000
Net decrease in cash and cash equivalents (426,949) 113,368
Cash and cash equivalents at beginning of period 2,032,468 2,491,964
Cash and cash equivalents at end of period 1,605,519 2,605,332
Supplemental disclosure of cash flow information    
Cash paid for interest $ 281,507 $ 211,591