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Condensed Statements of Cash Flows - USD ($)
 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Operating activities    
  Net income (loss) $ (428,142) $ 3,473,635
  Adjustments to reconcile net income to net cash provided by operating activities:    
      Stock-based compensation 735,378 504,676
      Depreciation and amortization 575,328 555,900
      Amortization of debt discount 24,818 24,819
      Amortization of operating lease ROU asset 399,177
      Deferred tax expenses (benefits) (1,610,000)
  Changes in operating assets and liabilities:    
      Accounts receivable 764,047 (590,613)
      Inventories (995,403) (1,238,694)
      Prepaid expenses and other current assets (181,024) (266,043)
      Other assets (222,248) (24,813)
      Accounts payable and accrued expenses (451,911) 148,111
      Accrued payroll and related expenses (46,731) 327,427
      Net deferred revenue on shipments to distributors 69,708 (42,270)
      Deferred service revenue 6,127 (17,989)
      Net change in operating lease liability (279,306) (61,133)
         Net cash (used in) provided by operating activities (30,182) 1,183,013
Investing activities    
  Purchases of PP&E including software and website development (910,603) (562,910)
       Net cash used in investing activities (910,603) (562,910)
Financing activities    
  Common stocks repurchased (653,684) (1,176)
  Proceeds from note payable 1,000,000
  Repayments of note payable (375,000) (250,000)
  Proceeds from stock options exercised 110,925 1,862,048
       Net cash (used in) provided by financing activities (917,759) 2,610,872
Net (decrease) increase in cash and cash equivalents (1,858,544) 3,230,975
Cash and cash equivalents at beginning of period 6,095,886 2,121,763
Cash and cash equivalents at end of period 4,237,342 5,352,738
Supplemental disclosure of cash flow information    
Cash paid for interest 122,197 132,036
Supplemental disclosure of non-cash activities    
  Payroll tax liability for retired restricted stock 115,215
  Property acquired under operating lease 3,862,511  
  Conversion of note payable 130,000
  Acquisition of intangible assets $ 1,909,433