FIXED ASSETS - Schedule of Owned Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Mar. 31, 2024
Property, Plant and Equipment
Property, plant and equipment, gross	$ 78,813	$ 32,564
Accumulated depreciation and amortization	(23,556)	(19,845)
Property, plant and equipment, net, total	55,257	12,719
Installed and uninstalled products
Property, Plant and Equipment
Property, plant and equipment, gross	52,506	11,030
Computer software
Property, Plant and Equipment
Property, plant and equipment, gross	13,456	11,496
Computer and electronic equipment
Property, Plant and Equipment
Property, plant and equipment, gross	7,252	6,179
Furniture and fixtures
Property, Plant and Equipment
Property, plant and equipment, gross	3,882	2,361
Leasehold improvements
Property, Plant and Equipment
Property, plant and equipment, gross	1,420	1,498
Plant and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	275	0
Assets in progress
Property, Plant and Equipment
Property, plant and equipment, gross	$ 22	$ 0