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REVENUE - Disaggregated basis (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
REVENUE
Revenue	$ 9,086	$ 8,946	$ 16,465	$ 16,932
Over-time
REVENUE
Revenue	8,659	8,532	15,344	15,861
Point-in-time
REVENUE
Revenue	427	414	1,121	1,071
Defense
REVENUE
Revenue	9,075	8,919	16,454	16,861
Industrial
REVENUE
Revenue	$ 11	$ 27	$ 11	$ 71

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