Geographical Information - Schedule of Long-lived Assets By Geographic Region (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	$ 21,110	$ 21,113
United States
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	20,808	20,807
Foreign
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	302	306
Thailand
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	246	252
Other
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	$ 56	$ 54