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Condensed Statements of Stockholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Dec. 31, 2020 $ 6,103 $ 61,733,522 $ (51,117,364) $ 10,622,261
Common Stock, Shares, Outstanding, Beginning Balance at Dec. 31, 2020 6,102,630      
Vesting of restricted stocks $ 39 (39)
Vesting of restricted stocks 38,775      
Cancellation of restricted stock $ (3) 3
Exercise of stock option $ 713 1,710,945 1,711,658
Exercise of stock option 713,349      
Stock-based compensation 148,772 148,772
Net income 202,902 202,902
Cancellation of restricted stock (2,755)      
Issuance of common stock for intangible assets $ 184 1,686,956 1,687,140
Issuance of common stock for intangible assets 184,332      
Conversion of convertible note $ 89 129,911 130,000
Conversion of convertible note 89,040      
Ending balance, value at Mar. 31, 2021 $ 7,125 65,410,070 (50,914,462) 14,502,733
Common Stock, Shares, Outstanding, Ending Balance at Mar. 31, 2021 7,125,371      
Beginning balance, value at Dec. 31, 2021 $ 7,184 66,139,630 (46,100,351) $ 20,046,463
Common Stock, Shares, Outstanding, Beginning Balance at Dec. 31, 2021 7,183,874     7,183,874
Vesting of restricted stocks $ 91 $ (91)
Vesting of restricted stocks 91,134      
Restricted stock retired for tax withholding (26) (115,189) (115,215)
Cancellation of restricted stock $ (26,157)     $ (115,215)
Exercise of stock option $ 24 $ 39,508 39,532
Exercise of stock option 24,200      
Stock-based compensation 223,446 223,446
Net income 341,933 341,933
Conversion of convertible note      
Ending balance, value at Mar. 31, 2022 $ 7,273 $ 66,287,304 $ (45,758,418) $ 20,536,159
Common Stock, Shares, Outstanding, Ending Balance at Mar. 31, 2022 7,273,051     7,273,051