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Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Operating activities    
  Net income (loss) $ (1,919,154) $ 86,931
  Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
      Stock-based compensation 1,156,382 998,692
      Depreciation and amortization 922,438 765,659
      Deferred tax benefits (1,444,000) (708,000)
      Amortization of debt discount 25,473 33,091
      Amortization of operating lease ROU asset 471,571 513,692
  Changes in operating assets and liabilities:    
      Accounts receivable 960,165 (83,621)
      Inventories 192,644 (447,167)
      Prepaid expenses and other current assets 176,458 (222,027)
      Other assets 524 (160,791)
      Accounts payable and accrued expenses (59,797) (504,027)
      Accrued payroll and related expenses (162,567) (82,968)
      Net deferred revenue on shipments to distributors 174,624 80,208
      Deferred service revenue (1,668) 2,957
      Net change in operating lease liability (444,531) (384,044)
        Net cash (used in) provided by operating activities 48,562 (111,415)
Investing activities    
    Purchases of PP&E including software and website development (2,163,872) (1,183,188)
          Net cash used in investing activities (2,163,872) (1,183,188)
Financing activities    
  Common stock repurchased and related expenses (208,425) (829,563)
  Proceeds from note payable 1,582,452
  Repayments of note payable $ (125,000) $ (500,000)
  Acquisition of common stock for tax withholding obligations (143,371)
  Proceeds from stock options exercised $ 212,815 $ 151,749
          Net cash (used in) provided by financing activities 1,318,471 (1,177,814)
Net decrease in cash and cash equivalents (796,839) (2,472,417)
Cash and cash equivalents at beginning of year 3,623,469 6,095,886
Cash and cash equivalents at end of year 2,826,630 3,623,469
Supplemental disclosure of cash flow information    
  Cash paid for interest 207,510 160,945
Supplemental disclosure of non-cash activities    
  Payroll tax liability for retired restricted stock 158,314
  Operating lease inception cost $ 3,862,511