Property, Plant, Equipment and Rental Assets - Tabular Disclosure (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Mar. 31, 2022
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
Property, plant, equipment and rental assets, gross	$ 55,506	$ 45,341
Less: accumulated depreciation	(29,600)	(27,303)
Total property, plant, equipment and rental assets, net	25,906	18,038
Machinery, equipment, automobiles and furniture
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
Property, plant, equipment and rental assets, gross	14,603	15,945
Leasehold improvements
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
Property, plant, equipment and rental assets, gross	8,868	8,848
Molds and tooling
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
Property, plant, equipment and rental assets, gross	3,516	3,469
Rental assets
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
Property, plant, equipment and rental assets, gross	$ 28,519	$ 17,079