PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment	$ 29,274	$ 30,156
Less: accumulated depreciation	(18,400)	(16,365)
Total property, plant and equipment, net	10,874	13,791
Disposal of PPE	0	1
Depreciation expense	2,049	2,087
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	25,723	26,605
Construction-in-progress
PROPERTY, PLANT AND EQUIPMENT, NET
Total property, plant and equipment	$ 147	$ 147