Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Aug. 01, 2021	Jan. 31, 2021
Inventory reserves	$ 1,077	$ 1,600
Preferred stock, no par value
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Treasury stock, shares	78,000	53,000
Class A common stock [Member]
Common stock, no par value
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	3,364,000	3,364,000
Common stock, shares outstanding	3,364,000	3,364,000
Class B common stock [Member]
Common stock, no par value
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	29,771,000	29,530,000
Common stock, shares outstanding	29,693,000	29,477,000