Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net loss	$ (3,663)	$ (8,929)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization expense	595	44
Amortization of debt issuance costs	0	47
Amortization of operating lease right-of-use assets	33	22
(Gain) loss on disposal of property, plant, and equipment	(30)	10
Loss on dissenting shareholders' liability	1,103	0
Principal reduction on operating lease liabilities	0	(22)
Share-based compensation	103	43
Impairment of operating lease right-of-use assets	56	0
Deferred income taxes	(25)	0
Provision for credit losses	2	0
Changes in operating assets and liabilities:
Accounts receivable	(1)	0
Materials and supplies	(218)	0
Operating right-of-use assets	(2)	0
Prepaid expenses and other assets	(347)	(173)
Accounts payable, accrued expenses, and other liabilities	1,781	(178)
Income taxes receivable	0	6
Operating lease liabilities	(31)	0
Cash provided by operating activities from discontinued operation	91	10,583
Net cash (used in) provided by operating activities	(553)	1,453
Cash flows from investing activities:
Cash paid for acquisition of Amplex	(18,332)	0
Payments for property, plant, and equipment	(3,940)	(13)
Proceeds from the disposal of property, plant, and equipment	35	0
Net cash provided by investing activities from discontinued operations	38,912	24,007
Net cash provided by investing activities	16,675	23,994
Cash flows from financing activities:
Repurchase of dissenting shares	(5,629)	0
Cash used in financing activities from discontinued operations	0	(25,250)
Net cash used in financing activities	(5,629)	(25,250)
Net increase in cash and cash equivalents	10,493	197
Cash and cash equivalents, at the beginning of period	18,982	454
Cash and cash equivalents, the end of period	29,475	651
Supplemental disclosure of cash flow information:
Interest paid	0	880
Income taxes paid	0	0
Supplemental schedule of noncash financing activities:
Purchase of property, plant, and equipment included in accounts payable	1,169	0
Transfer of finance receivables to repossessed assets	$ 0	$ 14,034