BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Sep. 30, 2022	Mar. 31, 2022	Sep. 15, 2022
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES.
Liquidity on net income (loss)	$ (100)	$ (300)
Total available liquidity	3,800	3,900
Cash and cash equivalents	200	1,100
Undrawn capacity under revolver loan	3,600
Unused borrowing capacity		2,800
Capital expenditures limit	1,500
Working capital	3,300
Line of credit outstanding	300
Decrease of working capital	500
Revolver loan
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES.
Unused borrowing capacity	3,600	$ 2,800
Berkshire Loan | Revolver loan
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES.
Unused borrowing capacity	$ 3,600
Berkshire Loan | Ranor term loan
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES.
Principal amount of debt			$ 2,850