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Consolidated Statements of Stockholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Shares, Outstanding 15,348,180      
Balance - February 28, 2021 at Feb. 29, 2020 $ 153,482 $ 9,018,406 $ 610,519 $ 9,782,407
Shares, Outstanding at Feb. 29, 2020 15,348,180      
Stock based compensation expense   47,633   47,633
Cashless exercise of stock options $ 1,045 (1,045)  
Cashless exercise of stock options (shares) 104,476      
Net Income     1,120,642 1,120,642
Proceeds from exercise of stock options      
Balance - February 28, 2022 at Feb. 28, 2021 $ 154,527 9,064,994 1,731,161 10,950,682
Shares, Outstanding at Feb. 28, 2021 15,452,656      
Shares, Outstanding 15,452,656      
Cashless exercise of stock options $ 2,490 (2,490)  
Cashless exercise of stock options (shares) 249,019      
Net Income     2,542,573 2,542,573
Proceeds from exercise of stock options $ 275 68,500   $ 68,775
Proceeds from exercise of stock options (shares)       27,500
Balance - February 28, 2022 at Feb. 28, 2022 $ 157,292 $ 9,310,287 $ 4,273,734 $ 13,741,313
Shares, Outstanding at Feb. 28, 2022 15,729,175      
Shares, Outstanding 15,729,175