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Condensed Consolidated Statement of Stockholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Earnings
Total
Beginning balance, value at Feb. 28, 2021 $ 154,527 $ 9,064,994 $ 1,731,161 $ 10,950,682
Shares, Outstanding at Feb. 28, 2021 15,452,656      
Stock based compensation expense   21,637   21,637
Net Income     1,266,752 1,266,752
Cashless exercise of stock options $ 499 (499)  
Cashless exercise of stock options (shares) 49,901      
Ending balance, value at May. 31, 2021 $ 155,026 9,086,132 2,997,913 12,239,071
Shares, Outstanding at May. 31, 2021 15,502,557      
Beginning balance, value at Feb. 28, 2022 $ 157,292 9,310,287 4,273,734 13,741,313
Shares, Outstanding at Feb. 28, 2022 15,729,175      
Stock based compensation expense   69,369   69,369
Net Income   305,636 305,636
Ending balance, value at May. 31, 2022 $ 157,292 $ 9,379,656 $ 4,579,370 $ 14,116,318
Shares, Outstanding at May. 31, 2022 15,729,175