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Revenue Recognition - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2025
Jul. 31, 2025
Jul. 31, 2025
Jan. 31, 2025
Contract liabilities and extended warranties   $ 579,000 $ 579,000 $ 543,000
Revenue recognized     $ 167,000  
Capitalized contract costs amounts incurred amortization period     16 years  
Contract assets balance       1,500,000
Amortization of incremental direct costs   23,000 $ 47,000  
Deferred incremental direct costs net of accumulated amortization balance   1,500,000 1,500,000  
Deferred incremental direct contract costs reported in other current assets   100,000 100,000  
Deferred Revenue   1,459,000 1,459,000 $ 543,000
Revenue recognized   200,000 200,000  
Aerospace Customer [Member]        
Deferred incremental direct contract costs reported in other assets   1,400,000 1,400,000  
Advance payment of contractual unit selling price $ 1,100,000      
Percentage of contractual unit selling price 50.00%      
Deferred Revenue   $ 900,000 $ 900,000