CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (1,664)	$ (2,748)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	2,794	2,796
Amortization of debt issuance costs	70	103
Write-off debt issuance costs	83
Loss on disposal of equipment		1
Stock based compensation	635	103
Change in contract loss provision	(106)	170
Change in allowance for credit losses	53	(31)
Stock based acquisition termination fee		419
Changes in operating assets and liabilities:
Accounts receivable	(349)	210
Contract assets	(1,222)	(1,060)
Work-in-process and raw materials	(72)	368
Other current assets	(555)	74
Accounts payable	(22)	1,029
Accrued expenses	(506)	(364)
Income taxes payable	31
Contract liabilities and customer deposits	1,498	(1,117)
Other noncurrent liabilities	(662)	(552)
Net cash provided by (used in) operating activities	6	(599)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property, plant, and equipment	(3,265)	(4,122)
Reimbursements for purchases of fixed assets	4,133	3,041
Net cash provided by (used in) investing activities	868	(1,081)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from revolver loan	18,236	13,876
Repayment of revolver loan	(17,940)	(13,511)
Proceeds from private placement		2,299
Private placement fees		(247)
Proceeds from equipment financing		65
Debt issuance costs	(239)	(82)
Principal payments for leases	(12)	(9)
Repayment of long-term debt	(683)	(654)
Net cash (used in) provided by financing activities	(638)	1,737
Net increase in cash	236	57
Cash beginning of period	195	138
Cash end of period	431	195
SUPPLEMENTAL DISCLOSURES OF CASH FLOWS INFORMATION
Cash paid during the year for interest	409	$ 438
Income taxes paid, net of refunds	$ 4