Income Taxes - Components of Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Provisions and reserves	$ 716	$ 1,022
Operating lease liability	4,640	4,100
Research and development	20	672
Net operating loss carry forwards	28,421	22,628
Gross deferred tax assets	33,797	28,422
Fixed asset basis difference	(2,252)	(2,289)
Operating lease right-of-use assets	(4,640)	(4,100)
Gross deferred tax liabilities	6,892	6,389
Net deferred tax asset	26,905	22,033
Valuation allowance	28,770	22,930
Net deferred taxes	$ (1,865)	$ (897)