Condensed Consolidated Statements of Cash Flows (Unaudited) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net loss	$ (720)	$ (3,513)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization expense	608	91
Loss on dissenting shareholders' liability	0	829
Gain on sale of assets	(16)	0
Share-based compensation	243	103
Deferred income taxes	19	(128)
Provision for credit losses	1	0
Amortization of operating lease right-of-use assets	69	(6)
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	(38)	(21)
Materials and supplies	(37)	(53)
Prepaid expenses and other assets	209	337
Accounts payable, accrued expenses, and other liabilities	723	914
Operating right-of-use assets	0	20
Operating lease liabilities	(68)	(7)
Income taxes receivable	0	0
Other assets	23	26
Cash (used in) provided by operating activities from discontinued operations	(104)	970
Net cash provided by (used in) operating activities	912	(438)
Cash flows from investing activities:
Cash paid for acquisition of Amplex, net of cash acquired	0	(18,364)
Payments for property, plant, and equipment	(3,731)	(369)
Proceeds from the disposal of property, plant, and equipment	16	5
Net cash provided by investing activities from discontinued operations	0	40,809
Net cash (used in) provided by investing activities	(3,715)	22,081
Cash flows from financing activities:
Proceeds from RUS Loan	851	0
Payment on Bank Loans	(4)	0
Net cash used in financing activities	847	0
Net (decrease) increase in cash and cash equivalents	(1,956)	21,643
Cash, cash equivalents and restricted cash at beginning of period	24,829	0
Total cash, cash equivalents and restricted cash at beginning of period	24,829	18,982
Cash, cash equivalents and restricted cash at end of period	22,873	21,643
Reconciliation of cash, cash equivalents, and restricted cash reported within the condensed consolidated balance sheets to the total amounts reported on the condensed consolidated statements of cash flows:
Cash and cash equivalents at beginning of period	24,516	18,982
Restricted cash included in Prepaid expenses and other assets at beginning of period	313	0
Total cash, cash equivalents and restricted cash at beginning of period	22,873	21,643
Cash and cash equivalents at end of period	22,034	40,626
Restricted cash included in Prepaid expenses and other assets at end of period	839	0
Total cash, cash equivalents and restricted cash at end of period	22,873	40,626
Supplemental disclosure of cash flow information:
Interest paid	4	47
Supplemental schedule of noncash investing and financing activities:
Purchase of property, plant, and equipment included in accounts payable	702	403
Conversion of term loan advances into additional equity of controlled entity (Amplex)	0	754
Additional investments in controlled entity (Amplex)	$ 0	$ 7,500