Note 7 - Accrued Expenses (Tables)

12 Months Ended

Nov. 30, 2012

Schedule of Accrued Liabilities [Table Text Block]

	November 30, 2012		November 30, 2011
Salaries, wages, and commissions	$	924,123	$	672,407
Accrued warranty expense		578,864		201,630
Other		457,253		489,239
	$	1,960,240	$	1,363,276