Note 5 - Major Components Of Accrued Expenses (Details) - USD ($)	May 31, 2016	Nov. 30, 2015
Salaries, wages, and commissions	$ 532,694	$ 564,098
Accrued warranty expense	146,548	179,531
Other	387,507	536,284
Accrued expenses	$ 1,066,749	$ 1,279,913