Note 5 - Accrued Expenses (Tables)

6 Months Ended

May 31, 2013

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

Schedule of Accrued Liabilities [Table Text Block]

	May 31, 2013		November 30, 2012
Salaries, wages, and commissions	$	1,043,989	$	924,123
Accrued warranty expense		526,981		578,864
Other		388,990		457,253
	$	1,959,960	$	1,960,240