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Condensed Statements of Stockholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Dec. 31, 2020 $ 6,103 $ 61,733,522   $ (51,117,364) $ 10,622,261
Shares, Outstanding, Beginning Balance at Dec. 31, 2020 6,102,630        
Vesting of restricted stock $ 39 (39)  
Vesting of restricted stock 38,775        
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 $ (3) 3  
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
Shares, Outstanding, Ending Balance at Mar. 31, 2021 7,125,371        
Beginning balance, value at Dec. 31, 2020 $ 6,103 61,733,522   (51,117,364) 10,622,261
Shares, Outstanding, Beginning Balance at Dec. 31, 2020 6,102,630        
Stock-based compensation         320,780
Net income         2,830,009
Conversion of convertible note         130,000
Ending balance, value at Jun. 30, 2021 $ 7,139 65,647,777   (48,287,355) 17,367,561
Shares, Outstanding, Ending Balance at Jun. 30, 2021 7,139,084        
Beginning balance, value at Mar. 31, 2021 $ 7,125 65,410,070   (50,914,462) 14,502,733
Shares, Outstanding, Beginning Balance at Mar. 31, 2021 7,125,371        
Vesting of restricted stock $ 1 (1)  
Vesting of restricted stock 900        
Exercise of stock option $ 16 66,873   66,889
Exercise of stock option 16,063        
Stock-based compensation 172,008   172,008
Net income   2,627,107 2,627,107
Cancellation of restricted stock $ (3) 3  
Cancellation of restricted stock (3,250)        
Repurchase and retirement of common stock (1,176)   (1,176)
Ending balance, value at Jun. 30, 2021 $ 7,139 65,647,777   (48,287,355) 17,367,561
Shares, Outstanding, Ending Balance at Jun. 30, 2021 7,139,084        
Beginning balance, value at Dec. 31, 2021 $ 7,184 66,139,630 (46,100,351) 20,046,463
Shares, Outstanding, Beginning Balance at Dec. 31, 2021 7,183,874        
Vesting of restricted stock $ 91 (91)
Vesting of restricted stock 91,134        
Restricted stock retired for tax withholding $ (26) (115,189) (115,215)
Restricted stock retired for tax withholding (26,157)        
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
Ending balance, value at Mar. 31, 2022 $ 7,273 66,287,304 (45,758,418) 20,536,159
Shares, Outstanding, Ending Balance at Mar. 31, 2022 7,273,051        
Beginning balance, value at Dec. 31, 2021 $ 7,184 66,139,630 (46,100,351) 20,046,463
Shares, Outstanding, Beginning Balance at Dec. 31, 2021 7,183,874        
Stock-based compensation         474,980
Net income         445,892
Conversion of convertible note        
Ending balance, value at Jun. 30, 2022 $ 7,202 66,580,908 $ (377,950) (45,654,459) 20,555,701
Shares, Outstanding, Ending Balance at Jun. 30, 2022 7,202,341   90,913    
Beginning balance, value at Mar. 31, 2022 $ 7,273 66,287,304 (45,758,418) 20,536,159
Shares, Outstanding, Beginning Balance at Mar. 31, 2022 7,273,051        
Vesting of restricted stock $ 1 (1)
Vesting of restricted stock 1,200        
Exercise of stock option $ 19 41,950 41,969
Exercise of stock option 19,390        
Stock-based compensation 251,534 251,534
Net income $ 103,959 $ 103,959
Restricted stock retired for tax withholding 30 30
Cancellation of restricted stock $ (387)        
Treasury shares purchased $ (91) $ 91 $ (377,950) $ (377,950)
Treasury shares repurchased (90,913)        
Treasury Stock, Shares, Acquired     90,913    
Ending balance, value at Jun. 30, 2022 $ 7,202 $ 66,580,908 $ (377,950) $ (45,654,459) $ 20,555,701
Shares, Outstanding, Ending Balance at Jun. 30, 2022 7,202,341   90,913