Note 6 - Accrued Expenses (Tables)

9 Months Ended

Aug. 31, 2018

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	August 31, 2018		November 30, 2017
Salaries, wages, and commissions	$	554,625	$	584,768
Accrued warranty expense		71,263		68,451
Other		608,418		328,339
	$	1,234,306	$	981,558