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Note 11 - Segment and Geographic Information - Fees for Services Provided to Joint Ventures by Geographic Location as a Percentage of Total Fees (Details) - USD ($)
 12 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Fees $ 5,964,260 $ 4,612,885
Percentage of Total Fees 100.00% 100.00%
GERMANY    
Fees $ 920,902 $ 843,752
Percentage of Total Fees 15.40% 18.30%
JAPAN    
Fees $ 826,403 $ 628,889
Percentage of Total Fees 13.90% 13.60%
POLAND    
Fees $ 798,570 $ 553,198
Percentage of Total Fees 13.40% 12.00%
SWEDEN    
Fees $ 528,755 $ 372,017
Percentage of Total Fees 8.90% 8.10%
FRANCE    
Fees $ 435,032 $ 310,661
Percentage of Total Fees 7.30% 6.70%
THAILAND    
Fees $ 399,563 $ 328,452
Percentage of Total Fees 6.70% 7.10%
INDIA    
Fees $ 392,074 $ 250,976
Percentage of Total Fees 6.60% 5.40%
CZECHIA    
Fees $ 377,395 $ 270,032
Percentage of Total Fees 6.30% 5.90%
KOREA, REPUBLIC OF    
Fees $ 317,042 $ 266,703
Percentage of Total Fees 5.30% 5.80%
UNITED KINGDOM    
Fees $ 316,786 $ 255,121
Percentage of Total Fees 5.30% 5.50%
FINLAND    
Fees $ 298,663 $ 256,375
Percentage of Total Fees 5.00% 5.60%
INDONESIA    
Fees $ 122,513 $ 99,543
Percentage of Total Fees 2.10% 2.20%
Other Countries [Member]    
Fees $ 230,562 $ 177,167
Percentage of Total Fees 3.80% 3.80%