DEBT - Long-term debt (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026
DEBT
Total debt	$ 5,017	$ 7,037
Less: debt issue costs unamortized	152	153
Total debt, net	4,865	6,884
Less: Current portion of long-term debt	4,865	6,884
Stadco Term Loan, at 3.79% interest, due August 2028
DEBT
Total debt	$ 1,355	1,504
Interest rate (as a percent)	3.79%
Ranor Term Loan, at 6.05% interest, due December 2027
DEBT
Total debt	$ 2,063	2,081
Interest rate (as a percent)	6.05%
Ranor Revolver Loan, due January 2026
DEBT
Total debt	$ 1,599	3,446
Stadco equipment financing, at 13.38% interest, due April 2026
DEBT
Total debt		$ 6
Interest rate (as a percent)	13.38%