Note 8 - Accrued Expenses (Tables)

12 Months Ended

Nov. 30, 2017

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	November 30, 2017		November 30, 2016
Salaries, wages, and commissions	$	584,768	$	542,449
Accrued warranty expense		68,451		134,373
Other		328,339		342,234
	$	981,558	$	1,019,056