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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Earnings
Total
Balance – February 29, 2020 at Feb. 29, 2020 $ 153,482 $ 9,018,406 $ 610,519 $ 9,782,407
Shares, Outstanding, Beginning Balance at Feb. 29, 2020 15,348,180      
Stock based compensation expense   8,097   8,097
Cashless exercise of stock options $ 748 (748)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 74,805      
Net Income     167,928 167,928
Balance – May 31, 2020 (unaudited) at May. 31, 2020 $ 154,230 9,025,755 778,447 9,958,432
Shares, Outstanding, Ending Balance at May. 31, 2020 15,422,985      
Balance – February 29, 2020 at Feb. 28, 2021 $ 154,527 9,064,994 1,731,161 10,950,682
Shares, Outstanding, Beginning Balance at Feb. 28, 2021 15,452,656      
Stock based compensation expense   21,637   21,637
Cashless exercise of stock options $ 499 (499)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 49,901      
Net Income     1,266,752 1,266,752
Balance – May 31, 2020 (unaudited) at May. 31, 2021 $ 155,026 $ 9,086,132 $ 2,997,913 $ 12,239,071
Shares, Outstanding, Ending Balance at May. 31, 2021 15,502,557