Interim Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Aug. 31, 2022	Feb. 28, 2022
Accounts receivable, allowance for doubtful accounts	$ 3	$ 3
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	10,000	10,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0	$ 0
Common stock, shares authorized	50,000	50,000
Common stock, shares issued	9,732	9,732
Common stock, shares outstanding	5,878	5,878
Treasury stock, shares	3,854	3,854