Note 19 - Unaudited Supplementary Data (Tables)

12 Months Ended

Nov. 30, 2020

Notes Tables

Quarterly Financial Information [Table Text Block]

	2020
	Q1			Q2			Q3			Q4
Loss from operations	$	(6,282	)	$	(8,087	)	$	(10,895	)	$	(7,973	)
Net loss	$	(6,595	)	$	(7,233	)	$	(12,736	)	$	(7,000	)
Net loss per common share, basic and diluted	$	(0.02	)	$	(0.02	)	$	(0.04	)	$	(0.02	)

	2019
	Q1			Q2			Q3			Q4
Loss from operations	$	(5,663	)	$	(6,413	)	$	(7,216	)	$	(7,520	)
Net loss	$	(6,323	)	$	(5,515	)	$	(8,056	)	$	(7,867	)
Net loss per common share, basic and diluted	$	(0.02	)	$	(0.02	)	$	(0.02	)	$	(0.02	)