Note 5 - Accrued Expenses (Tables)

3 Months Ended

Feb. 28, 2014

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	February 28, 2014		November 30, 2013
Salaries, wages, and commissions	$	618,198	$	836,200
Accrued warranty expense		153,455		220,719
Other		658,714		661,556
	$	1,430,367	$	1,718,475