Note 6 - Accrued Expenses (Tables)

9 Months Ended

Aug. 31, 2017

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	August 31, 2017		November 30, 2016
Salaries, wages, and commissions	$	518,162	$	542,449
Accrued warranty expense		133,194		134,373
Other		382,338		342,234
	$	1,033,694	$	1,019,056