Note 5 - Inventory - Major Classes of Inventory (Details) - USD ($)	Nov. 30, 2018	Aug. 31, 2018	Nov. 30, 2017
Raw materials		$ 7,959,989	$ 8,731,985
Work in process		376,273	460,687
Finished goods		4,721,049	5,395,353
Gross inventory		13,057,311	14,588,025
Less: Reserves		(2,388,544)	(2,621,303)
Net Inventory	$ 11,966,722	$ 10,668,767	$ 11,966,722

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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