Note 4 - Accounts Receivable - Accounts Receivable (Details) - USD ($) $ in Thousands	Feb. 29, 2020	Nov. 30, 2019
Gross accounts receivable	$ 24,087	$ 22,193
Allowance for doubtful accounts	(882)	(815)
Accounts receivable, net	$ 23,205	$ 21,378

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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