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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Feb. 28, 2021 $ 154,527 $ 9,064,994 $ 1,731,161 $ 10,950,682
Beginning balance, Shares at Feb. 28, 2021 15,452,656      
Stock based compensation expense   21,637   21,637
Cashless exercise of stock options $ 499 (499)  
Cashless exercise of stock options, Shares 49,901      
Net Income     1,266,752 1,266,752
Ending balance, value at May. 31, 2021 $ 155,026 9,086,132 2,997,913 12,239,071
Ending balance, Shares at May. 31, 2021 15,502,557      
Stock based compensation expense   19,080   19,080
Cashless exercise of stock options $ 287 (287)  
Cashless exercise of stock options, Shares 28,728      
Net Income     343,824 343,824
Ending balance, value at Aug. 31, 2021 $ 155,313 9,104,925 3,341,737 12,601,975
Ending balance, Shares at Aug. 31, 2021 15,531,285      
Beginning balance, value at Feb. 28, 2022 $ 157,292 9,310,287 4,273,734 13,741,313
Beginning balance, Shares 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
Ending balance, Shares at May. 31, 2022 15,729,175      
Stock based compensation expense   43,032   43,032
Cashless exercise of stock options $ 56 (56)  
Cashless exercise of stock options, Shares 5,553      
Net Income     162,123 162,123
Ending balance, value at Aug. 31, 2022 $ 157,348 $ 9,422,632 $ 4,741,493 $ 14,321,473
Ending balance, Shares at Aug. 31, 2022 15,734,728