Summary of Significant Accounting Policies - Valuation Assumptions for Stock Options (Details) - $ / shares	12 Months Ended
	Feb. 03, 2024	Jan. 28, 2023	Jan. 29, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected volatility, minimum	86.30%	87.90%	97.40%
Expected volatility, maximum	92.10%	123.70%	104.90%
Risk-free interest rate, minimum	3.71%	2.52%	0.31%
Risk-free interest rate, maximum	4.42%	4.41%	0.60%
Expected life	2 years 6 months
Weighted average fair value of options granted	$ 3.24	$ 3.58	$ 0.47
Weighted average fair value of non-vested shares granted	$ 4.47	$ 5.28	$ 0.66
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected life		2 years	3 years
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected life		3 years 6 months	4 years