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BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Accounts Receivable, Allowance for Credit Loss, Current $ 24,469 $ 24,469
Finite-Lived Intangible Assets, Accumulated Amortization $ 248,252 $ 199,899
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01
Common Stock, Shares Authorized 75,000,000 75,000,000
Common Stock, Shares, Issued 47,931,664 46,680,119
Common Stock, Shares, Outstanding 44,511,162 43,259,617
Treasury Stock, Shares 3,420,502 3,420,502