Note 11 - Segment and Geographic Information - Total Long-lived Assets by Geographic Distribution (Details) - USD ($)	3 Months Ended		9 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2023	May 31, 2022
Fees	$ 1,361,311	$ 1,329,988	$ 3,795,862	$ 3,835,755
Percentage of fee	100.00%	100.00%	100.00%	100.00%
POLAND
Fees	$ 224,288	$ 171,181	$ 610,911	$ 520,807
Percentage of fee	16.50%	12.90%	16.10%	13.60%
GERMANY
Fees	$ 209,398	$ 204,316	$ 606,189	$ 639,738
Percentage of fee	15.40%	15.40%	16.00%	16.70%
JAPAN
Fees	$ 152,593	$ 168,075	$ 454,308	$ 486,815
Percentage of fee	11.20%	12.60%	12.00%	12.70%
SWEDEN
Fees	$ 144,981	$ 130,681	$ 358,032	$ 337,929
Percentage of fee	10.70%	9.80%	9.40%	8.80%
FRANCE
Fees	$ 128,149	$ 123,869	$ 356,444	$ 355,827
Percentage of fee	9.40%	9.30%	9.40%	9.30%
FINLAND
Fees	$ 103,879	$ 92,036	$ 285,931	$ 257,635
Percentage of fee	7.60%	6.90%	7.50%	6.70%
CZECHIA
Fees	$ 99,090	$ 84,797	$ 270,422	$ 224,280
Percentage of fee	7.30%	6.40%	7.10%	5.80%
THAILAND
Fees	$ 82,725	$ 95,574	$ 257,282	$ 271,046
Percentage of fee	6.10%	7.20%	6.80%	7.10%
UNITED KINGDOM
Fees	$ 83,586	$ 89,363	$ 206,925	$ 271,027
Percentage of fee	6.10%	6.70%	5.50%	7.10%
KOREA, REPUBLIC OF
Fees	$ 61,669	$ 78,542	$ 190,866	$ 205,342
Percentage of fee	4.50%	5.90%	5.00%	5.40%
Other Countries [Member]
Fees	$ 70,953	$ 91,554	$ 198,552	$ 265,309
Percentage of fee	5.20%	6.90%	5.20%	6.80%