Note 7 - Accrued Expenses (Tables)

3 Months Ended

Feb. 28, 2019

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	February 28, 2019		November 30, 2018
Salaries, wages, and commissions	$	464,376	$	448,737
Accrued warranty expense		25,857		96,785
Other		273,003		347,762
	$	763,236	$	893,284