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, 2018	Aug. 31, 2017
Fees	$ 6,142,139	$ 5,452,687
GERMANY
Fees	900,316	838,628
POLAND
Fees	775,319	661,226
JAPAN
Fees	759,418	641,699
SWEDEN
Fees	600,336	472,819
FRANCE
Fees	532,565	410,842
THAILAND
Fees	429,319	448,013
CZECH REPUBLIC
Fees	377,844	314,834
KOREA, REPUBLIC OF
Fees	370,171	376,002
INDIA
Fees	365,018	322,677
UNITED KINGDOM
Fees	352,585	295,761
FINLAND
Fees	320,501	292,225
Other Countries [Member]
Fees	$ 358,747	$ 377,961