Supplemental Financial Information - Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Mar. 31, 2021
Property and Equipment, net
Accumulated depreciation	$ (8,345)	$ (7,929)
Property and equipment, net	1,827	1,923
Equipment
Property and Equipment, net
Gross	7,126	6,806
Leasehold improvements
Property and Equipment, net
Gross	$ 3,046	$ 3,046

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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