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Property, plant and equipment, net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2023
Property, plant and equipment, net
Property, plant and equipment , gross	$ 16,962		$ 16,962		$ 14,721
Less: Accumulated depreciation	(8,517)		(8,517)		(7,242)
Property, plant and equipment , net	8,445		8,445		7,479
Depreciation and amortization expense	700	$ 600	1,300	$ 1,200
Office equipment
Property, plant and equipment, net
Property, plant and equipment , gross	1,397		1,397		1,240
Computer equipment
Property, plant and equipment, net
Property, plant and equipment , gross	1,846		1,846		1,806
Plant and laboratory equipment
Property, plant and equipment, net
Property, plant and equipment , gross	9,706		9,706		9,186
Leasehold improvements
Property, plant and equipment, net
Property, plant and equipment , gross	1,842		1,842		1,706
Capitalized software
Property, plant and equipment, net
Property, plant and equipment , gross	724		724		0
Construction in progress
Property, plant and equipment, net
Property, plant and equipment , gross	$ 1,447		$ 1,447		$ 783

X

- Definition

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

+ References

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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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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