PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Mar. 31, 2025
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment	$ 29,264		$ 29,264		$ 30,156
Less: accumulated depreciation	(17,894)		(17,894)		(16,365)
Total property, plant and equipment, net	11,370		11,370		13,791
Depreciation expense	514	$ 525	1,551	$ 1,565
Land
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment	110		110		110
Building and improvements
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment	3,294		3,294		3,294
Machinery equipment, furniture, and fixtures
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment	25,713		25,713		26,605
Construction-in-progress
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment	$ 147		$ 147		$ 147