PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment	$ 29,175		$ 30,156
Less: accumulated depreciation	(16,879)		(16,365)
Total property, plant and equipment, net	12,296		13,791
Depreciation expense	519	$ 520
Land
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment	110		110
Building and improvements
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment	3,294		3,294
Machinery equipment, furniture, and fixtures
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment	25,624		25,624
Equipment deposit, net
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment			981
Construction-in-progress
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment	$ 147		$ 147