Note 7 - Stockholders' Equity (Tables)

12 Months Ended

Nov. 30, 2019

Notes Tables

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

Common Shares Outstanding	2019			2018			2017
Beginning balance		50,732,796			50,388,839			50,141,343
Stock options exercised		378,734			198,849			514,064
Deferred compensation paid		5,354			7,152			24,048
Restricted units vested		197,349			209,137			140,614
Shares withheld for taxes		(73,043	)		(71,181	)		(56,230	)
Shares repurchased under repurchase program		-			-			(375,000	)
Ending balance		51,241,190			50,732,796			50,388,839