Note 5 - Accrued Expenses - Major Components Of Accrued Expenses (Details) - USD ($)	Aug. 31, 2015	Nov. 30, 2014
Salaries, wages, and commissions	$ 534,331	$ 673,934
Accrued warranty expense	278,269	234,266
Other	416,450	676,128
Accrued expenses	$ 1,229,050	$ 1,584,328