Annual report [Section 13 and 15(d), not S-K Item 405]

The Company and Its Accounting Policies - Additional Information (Detail)

v3.25.1
The Company and Its Accounting Policies - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Schedule Of Accounting Policies [Line Items]      
Minimum level of likelihood 50.00%    
Service based cloud computing software implementation costs $ 1,991    
Hosting Arrangement, Service Contract, Implementation Cost, Impairment, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Assets, Noncurrent    
Research and development costs $ 4,039 $ 3,944 $ 4,144
Buildings and Leasehold Improvements [Member]      
Schedule Of Accounting Policies [Line Items]      
Estimated useful lives range 40 years    
Minimum [Member] | Office Equipment [Member]      
Schedule Of Accounting Policies [Line Items]      
Estimated useful lives range 3 years    
Minimum [Member] | Manufacturing Equipment [Member]      
Schedule Of Accounting Policies [Line Items]      
Estimated useful lives range 8 years    
Maximum [Member] | Office Equipment [Member]      
Schedule Of Accounting Policies [Line Items]      
Estimated useful lives range 8 years    
Maximum [Member] | Manufacturing Equipment [Member]      
Schedule Of Accounting Policies [Line Items]      
Estimated useful lives range 25 years