Note 6 - Accrued Expenses (Tables)

3 Months Ended

Feb. 28, 2018

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	February 28, 2018		November 30, 2017
Salaries, wages, and commissions	$	485,592	$	584,768
Accrued warranty expense		54,135		68,451
Other		324,562		328,339
	$	864,289	$	981,558