Property, plant and equipment, net (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Property, plant and equipment, net
Property, plant and equipment , gross	$ 14,721	$ 12,728
Less: Accumulated depreciation and amortization	(7,242)	(4,795)
Property, plant and equipment , net	7,479	7,933
Depreciation and amortization expense	2,447	2,147
Office equipment
Property, plant and equipment, net
Property, plant and equipment , gross	1,240	937
Computer equipment
Property, plant and equipment, net
Property, plant and equipment , gross	1,806	1,667
Plant and laboratory equipment
Property, plant and equipment, net
Property, plant and equipment , gross	9,186	7,720
Leasehold improvements
Property, plant and equipment, net
Property, plant and equipment , gross	1,706	785
Construction in progress
Property, plant and equipment, net
Property, plant and equipment , gross	$ 783	$ 1,619

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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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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