Note 8 - Accrued Expenses - Major Components Of Accrued Expenses (Details) - USD ($)	Nov. 30, 2016	Nov. 30, 2015
Salaries, wages, and commissions	$ 542,449	$ 530,667
Accrued warranty expense	134,373	176,531
Other	342,234	484,166
	$ 1,019,056	$ 1,191,364