Quarterly report pursuant to Section 13 or 15(d)

BALANCE SHEETS (UNAUDITED) (Parenthetical)

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BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($)
Jun. 30, 2022
Dec. 31, 2021
Statement of Financial Position [Abstract]    
Accounts receivable, allowance for credit loss, current $ 24,471 $ 24,471
Finite-lived intangible assets, accumulated amortization 294,301 $ 263,729
Finance Lease, Right-of-Use Asset, Amortization $ 5,918  
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, outstanding 48,407,619 48,044,162
Common stock, shares, outstanding 44,987,117 44,623,660
Treasury stock, shares 3,420,502 3,420,502