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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Total
Beginning balance (shares) at Feb. 28, 2019 15,197,563      
Beginning balance at Feb. 28, 2019 $ 151,976 $ 8,929,607 $ (496,923) $ 8,584,660
Cashless exercise of stock options (shares) 104,050      
Cashless exercise of stock options $ 1,040 (1,040)    
Stock based compensation expense   43,827   43,827
Net Income     139,978 139,978
Ending balance (shares) at Aug. 31, 2019 15,301,613      
Ending balance at Aug. 31, 2019 $ 153,016 8,972,394 (356,945) 8,768,465
Beginning balance (shares) at May. 31, 2019 15,301,613      
Beginning balance at May. 31, 2019 $ 153,016 8,939,877 (471,710) 8,621,183
Stock based compensation expense   32,517   32,517
Net Income     114,765 114,765
Ending balance (shares) at Aug. 31, 2019 15,301,613      
Ending balance at Aug. 31, 2019 $ 153,016 8,972,394 (356,945) 8,768,465
Beginning balance (shares) at Feb. 29, 2020 15,348,180      
Beginning balance at Feb. 29, 2020 $ 153,482 9,018,406 610,519 $ 9,782,407
Cashless exercise of stock options (shares) 87,755     87,755
Cashless exercise of stock options $ 878 (878)    
Stock based compensation expense   16,003   $ 16,003
Net Income     345,691 345,691
Ending balance (shares) at Aug. 31, 2020 15,435,935      
Ending balance at Aug. 31, 2020 $ 154,360 9,033,531 956,210 10,144,101
Beginning balance (shares) at May. 31, 2020 15,422,985      
Beginning balance at May. 31, 2020 $ 154,230 9,025,755 778,447 $ 9,958,432
Cashless exercise of stock options (shares) 12,950     12,950
Cashless exercise of stock options $ 130 (130)    
Stock based compensation expense   7,906   $ 7,906
Net Income     177,763 177,763
Ending balance (shares) at Aug. 31, 2020 15,435,935      
Ending balance at Aug. 31, 2020 $ 154,360 $ 9,033,531 $ 956,210 $ 10,144,101