Annual report pursuant to Section 13 and 15(d)

Inventories - Major Classifications of Inventories (Detail)

v3.22.1
Inventories - Major Classifications of Inventories (Detail) - USD ($)
$ in Thousands
Mar. 31, 2022
Mar. 31, 2021
Inventory Disclosure [Abstract]    
Raw materials and supplies $ 4,145 $ 3,490
Work in process 11,631 12,196
Finished products 1,638 1,646
Total $ 17,414 $ 17,332