CONDENSED BALANCE SHEETS (Parentheticals) - USD ($)
Nov. 30, 2021
Feb. 28, 2021
Statement of Financial Position [Abstract]    
Accounts receivable, allowance for doubtful accounts (in Dollars) $ 315,600 $ 331,900
Common stock, shares issued 12,702,080 12,410,080
Common stock, authorized shares 16,000,000 16,000,000
Common stock, par value (in Dollars per share) $ 0.2 $ 0.2
Common stock, shares outstanding 8,656,135 8,346,600