Note 5 - Accrued Expenses (Tables)

9 Months Ended

Aug. 31, 2014

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	August 31, 2014		November 30, 2013
Salaries, wages, and commissions	$	591,087	$	836,200
Accrued warranty expense		285,096		220,719
Other		632,396		661,556
	$	1,508,579	$	1,718,475