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Condensed Consolidated Statements of Changes in Stockholders’ Equity (Unaudited) - USD ($)
Common Shares
Treasury Shares
Additional Paid- in Capital
Accumulated Deficit
Total
Balance at Dec. 31, 2019 $ 6,879 $ (2,015) $ 21,281,382 $ (13,100,351) $ 8,185,895
Balance (in Shares) at Dec. 31, 2019 6,878,904 (1,900)      
Stock-based compensation expense 89,206 89,206
Repurchases of common stock $ (7,240) (7,240)
Repurchases of common stock (in Shares) (6,600)      
Net income (loss) (438,384) (438,384)
Balance at Mar. 31, 2020 $ 6,879 $ (9,255) 21,370,588 (13,538,735) 7,829,477
Balance (in Shares) at Mar. 31, 2020 6,878,904 (8,500)      
Stock-based compensation expense 57,183 57,183
Repurchases of common stock $ (1,604) (1,604)
Repurchases of common stock (in Shares) (1,450)      
Net income (loss) 531,541 531,541
Balance at Jun. 30, 2020 $ 6,879 $ (10,859) 21,427,771 (13,007,194) 8,416,597
Balance (in Shares) at Jun. 30, 2020 6,878,904 (9,950)      
Stock-based compensation expense     47,707   47,707
Shares issued for consulting services $ 38   43,462   43,500
Shares issued for consulting services (in Shares) 37,500        
Net income (loss) 746,848 746,848
Balance at Sep. 30, 2020 $ 6,917 $ (10,859) 21,518,940 (12,260,346) 9,254,652
Balance (in Shares) at Sep. 30, 2020 6,916,404 (9,950)      
Balance at Dec. 31, 2020 $ 6,917 $ (10,859) 21,568,041 (11,729,089) 9,835,010
Balance (in Shares) at Dec. 31, 2020 6,916,404 (9,950)      
Stock-based compensation expense 31,368 31,368
Net income (loss) 916,729 916,729
Balance at Mar. 31, 2021 $ 6,917 $ (10,859) 21,599,409 (10,812,360) 10,783,107
Balance (in Shares) at Mar. 31, 2021 6,916,404 (9,950)      
Reversal of stock compensation expense of non-vested options, net (192,342) (192,342)
Net income (loss) 821,684 821,684
Balance at Jun. 30, 2021 $ 6,917 $ (10,859) 21,407,067 (9,990,676) 11,412,449
Balance (in Shares) at Jun. 30, 2021 6,916,404 (9,950)      
Stock-based compensation expense 93,430 93,430
Net income (loss) (409,036) (409,036)
Public offering of common stock, net of issuance costs $ 1,333 3,229,406 3,230,739
Public offering of common stock, net of issuance costs (in Shares) 1,333,310      
Balance at Sep. 30, 2021 $ 8,250 $ (10,859) $ 24,729,903 $ (10,399,712) $ 14,327,582
Balance (in Shares) at Sep. 30, 2021 8,249,714 (9,950)