SEGMENT INFORMATION - Financial information for segments (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2025 USD ($) segment	Dec. 31, 2024 USD ($)
SEGMENT INFORMATION
Number of reportable segment | segment			2
Revenue, net	$ 7,094	$ 7,622	$ 23,559	$ 24,554
Cost of revenue	6,713	6,631	19,690	22,310
Selling, general and administrative	1,733	1,687	4,742	4,769
Loss from operations	(1,352)	(696)	(873)	(2,525)
Other income (expense), net		44	2	57
Interest expense	(121)	(147)	(374)	(392)
Consolidated loss before income taxes	(1,473)	(799)	(1,245)	(2,860)
Depreciation and amortization	694	702	2,098	2,093
Capital expenditures	1,010	1,174	3,255	2,796
Operating segments
SEGMENT INFORMATION
Revenue, net	7,346	7,622	24,167	24,621
Cost of revenue	6,713	6,631	19,690	22,310
Selling, general and administrative	1,313	1,637	4,110	4,225
Loss from operations	(932)	(646)	(241)	(1,981)
Intersegment elimination
SEGMENT INFORMATION
Revenue, net	(252)		(608)	(67)
Corporate and unallocated
SEGMENT INFORMATION
Corporate general costs	(420)	(50)	(632)	(125)
Costs related to terminated acquisition				(419)
Ranor
SEGMENT INFORMATION
Revenue, net	4,362	4,310	12,977	13,482
Depreciation and amortization	261	258	785	781
Capital expenditures	1,010	1,105	3,255	2,727
Ranor | Operating segments
SEGMENT INFORMATION
Revenue, net	4,362	4,310	13,032	13,482
Cost of revenue	2,815	2,798	7,729	9,148
Selling, general and administrative	634	730	1,938	1,838
Loss from operations	913	782	3,310	2,496
Ranor | Intersegment elimination
SEGMENT INFORMATION
Revenue, net			(55)
Stadco
SEGMENT INFORMATION
Revenue, net	2,732	3,312	10,582	11,072
Depreciation and amortization	433	444	1,313	1,312
Capital expenditures		69		69
Stadco | Operating segments
SEGMENT INFORMATION
Revenue, net	2,984	3,312	11,135	11,139
Cost of revenue	3,898	3,833	11,961	13,162
Selling, general and administrative	679	907	2,172	2,387
Loss from operations	(1,845)	$ (1,428)	(3,551)	(4,477)
Stadco | Intersegment elimination
SEGMENT INFORMATION
Revenue, net	$ (252)		$ (553)	$ (67)