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Revenue Recognition - Additional Information (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Oct. 29, 2022
Oct. 29, 2022
Jan. 31, 2022
Contract liabilities and extended warranties $ 362,000 $ 362,000 $ 262,000
Contract with customer liability revenue recognized including additions 226,000 226,000  
Contract assets balance 1,300,000 1,300,000 $ 1,300,000
Additional contract costs 100,000 100,000  
Amortization of incremental direct costs 19,000 56,000  
Deferred incremental direct contract costs reported in other current assets 100,000 100,000  
Capitalized contract cost net long term and short term $ 1,400,000 $ 1,400,000  
Capitalized contract costs additional amounts incurred amortization period   19 years