v3.25.2
Condensed Statements of Cash Flows - USD ($)
6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Operating activities    
  Net loss $ (1,786,281) $ (1,165,046)
  Adjustments to reconcile net loss to net cash used in operating activities:    
      Stock-based compensation 301,315 547,434
      Depreciation and amortization 681,876 520,595
      Amortization of debt discount 7,291 2,925
      Amortization of operating lease ROU Asset 255,439 243,050
  Changes in operating assets and liabilities:    
      Accounts receivable (184,168) (850,523)
      Inventories 97,578 223,017
      Prepaid expenses and other current assets (143,555) (121,091)
      Other assets (22,277) 1,000
      Accounts payable and accrued expenses (43,053) 198,466
      Accrued payroll and related expenses (83,466) 153,696
      Net deferred revenue on shipments to distributors (20,180) (158,036)
      Deferred service revenue (473) 1,742
      Net change in operating lease liability (257,457) (235,653)
         Net cash used in operating activities (1,197,411) (638,424)
Investing activities    
  Purchases of equipment and computer hardware and software (189,221) (167,835)
  Proceeds from tenant improvements allowance 72,800
       Net cash used in investing activities (189,221) (95,035)
Financing activities    
  Proceeds from subordinated convertible notes payable-related party 1,250,000
  Proceeds from subordinated convertible notes payable 250,000
  Proceeds from stock options exercised 23,750
       Net cash provided by financing activities 1,500,000 23,750
Net decrease in cash and cash equivalents 113,368 (709,709)
Cash and cash equivalents at beginning of period 2,491,964 2,826,630
Cash and cash equivalents at end of period 2,605,332 2,116,921
Supplemental disclosure of cash flow information    
Cash paid for interest 211,591 179,589
Supplemental disclosure of non-cash activities    
  Property acquired under operating lease $ 8,230