Note 5 - Accrued Expenses (Tables)

9 Months Ended

Aug. 31, 2012

Schedule of Accrued Liabilities [Table Text Block]

	August 31, 2012		November 30, 2011
Salaries, wages, and commissions	$	1,188,983	$	672,407
Accrued warranty expense		497,798		201,630
Other		479,240		489,239
	$	2,166,021	$	1,363,276