Note 7 - Accrued Expenses (Tables)

9 Months Ended

Aug. 31, 2019

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	August 31, 2019		November 30, 2018
Salaries, wages, and commissions	$	529,072	$	448,737
Accrued warranty expense		140,835		96,786
Other		285,990		347,761
	$	955,897	$	893,284