Note 7 - Assets Available for Sale - Major Components Assets Available for Sale (Details) - USD ($)	Nov. 30, 2016	Nov. 30, 2015
Assets available for sale	$ 70,000	$ 1,245,432
Ames, Iowa Production Facility [Member]
Assets available for sale		1,093,632
Monona, Iowa Storage Facility [Member]
Assets available for sale		36,942
Ames, Iowa Powder Coat Print System [Member]
Assets available for sale	$ 70,000	$ 114,858