Annual report pursuant to Section 13 and 15(d)

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

v3.24.1.1.u2
The Company and Its Accounting Policies - Additional Information (Detail) - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Schedule Of Accounting Policies [Line Items]      
Minimum level of likelihood 50.00%    
Service based cloud computing software implementation costs $ 361    
Hosting Arrangement, Service Contract, Implementation Cost, Impairment, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Assets, Noncurrent    
Research and development costs $ 3,944 $ 4,144 $ 3,845
Antidilutive securities excluded from computation of earnings per share     33
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