Basis of Presentation - Valuation Assumptions for Stock Options (Details) - $ / shares	6 Months Ended
	Jul. 29, 2023	Jul. 30, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected volatility, minimum	86.30%	109.00%
Expected volatility, maximum	92.10%	123.70%
Risk-free interest rate, minimum	3.71%	2.52%
Risk-free interest rate, maximum	4.42%	2.87%
Expected term	2 years 6 months
Weighted average fair value of options granted	$ 3.24	$ 4.98
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term		2 years 6 months
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term		3 years 6 months