Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net - Schedule of intangible assets (Details)

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Intangible Assets, Net - Schedule of intangible assets (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jul. 31, 2022
Jan. 30, 2022
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 5,268 $ 5,068
Accumulated Amortization (3,843) (3,655)
Net carrying amount $ 1,425 $ 1,413
Patents    
Finite-Lived Intangible Assets [Line Items]    
Estimated Life 10 years 10 years
Gross Carrying Amount $ 2,982 $ 2,838
Accumulated Amortization (1,737) (1,626)
Net carrying amount $ 1,245 $ 1,212
Trademarks    
Finite-Lived Intangible Assets [Line Items]    
Estimated Life 3 years 3 years
Gross Carrying Amount $ 1,446 $ 1,390
Accumulated Amortization (1,266) (1,189)
Net carrying amount $ 180 $ 201
Other intangibles    
Finite-Lived Intangible Assets [Line Items]    
Estimated Life 5 years 5 years
Gross Carrying Amount $ 840 $ 840
Accumulated Amortization (840) (840)
Net carrying amount $ 0 $ 0