XML 51 R41.htm IDEA: XBRL DOCUMENT v3.21.4
Note 6 - Patents and Trademarks, Net - Patents and Trademarks, Net (Details) - USD ($)
Nov. 30, 2021
Aug. 31, 2021
Patents and trademarkes, net $ 6,279,000 $ 0
Patents and Trademarks [Member]    
Patents and trademarks 3,070,704 3,018,507
Less accumulated amortization (2,360,829) (2,308,935)
Patents and trademarkes, net $ 709,875 $ 709,572