XML 53 R39.htm IDEA: XBRL DOCUMENT v3.20.2
Nature Of Operations And Summary Of Significant Accounting Policies (Components Of Inventories) (Details) - USD ($)
$ in Thousands
Aug. 31, 2020
Aug. 31, 2019
Nature Of Operations And Summary Of Significant Accounting Policies [Abstract]    
Finished goods $ 2,947 $ 3,434
Raw materials 27 47
Inventories $ 2,974 $ 3,481