Note 5 - Accrued Expenses (Tables)

3 Months Ended

Feb. 28, 2013

Schedule of Accrued Liabilities [Table Text Block]

	February 28, 2013		November 30, 2012
Salaries, wages, and commissions	$	797,124	$	924,123
Accrued warranty expense		575,330		578,864
Other		362,031		457,253
	$	1,734,485	$	1,960,240