Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	(Accumulated Deficit) Retained Earnings	Accumulated Other Comprehensive Income	Common Stock (Class A)	Common Stock (Class A) Common Stock	Common Stock (Class B) Common Stock
Beginning balance (in shares) at Jan. 29, 2022							23,719,000	7,306,000
Beginning balance at Jan. 29, 2022	$ 174,713	$ 31	$ 166,929	$ 7,754	$ (1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	813			813
Share-based compensation expense	563		563
Employee exercises of stock options (in shares)							5,000
Employee stock option exercises	20		20
Repurchase of common stock (in shares)							(892,000)
Repurchase of common stock	(8,177)	(1)		(8,176)
Net change in unrealized gain on available-for-sale securities	3				3
Ending balance (in shares) at Apr. 30, 2022							22,832,000	7,306,000
Ending balance at Apr. 30, 2022	167,935	30	167,512	391	2
Beginning balance (in shares) at Jan. 29, 2022							23,719,000	7,306,000
Beginning balance at Jan. 29, 2022	174,713	31	166,929	7,754	(1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock (in shares)						(1,258,330)
Repurchase of common stock	(10,900)
Ending balance (in shares) at Jan. 28, 2023							22,562,000	7,306,000
Ending balance at Jan. 28, 2023	176,798	30	170,033	6,530	205
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(11,968)			(11,968)
Share-based compensation expense	$ 522		522
Employee exercises of stock options (in shares)	11,000						11,000
Employee stock option exercises	$ 53		53
Net change in unrealized gain on available-for-sale securities	116				116
Ending balance (in shares) at Apr. 29, 2023							22,573,000	7,306,000
Ending balance at Apr. 29, 2023	$ 165,521	$ 30	$ 170,608	$ (5,438)	$ 321