CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net income (loss)	$ 1,560	$ (530)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Share-based compensation	53	40
Depreciation and amortization	293	306
Loss (gain) on sale of property, plant and equipment	3	(2)
Bad debt expense		1
Non-cash lease expense	41	485
Changes in operating assets and liabilities:
Accounts receivable, net	(1,260)	(741)
Contract assets	(1,889)	227
Inventories	(30)	7
Prepaid expenses and other current assets	175	(151)
Other assets, net	(25)	(71)
Accounts payable and accrued expenses	(690)	59
Contract liabilities	1,013	608
Net cash provided by (used in) operating activities	(756)	238
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment	0	2
Purchases of property, plant and equipment	(62)	(82)
Net cash used in investing activities	(62)	(80)
Cash flows from financing activities:
Principal payments under finance lease obligations	(36)	(164)
Proceeds from short-term borrowings	305	0
Principal payments on short-term borrowings	(22)	0
Net cash provided by (used in) financing activities	247	(164)
Change in cash	(571)	(6)
Cash, beginning of period	2,030	2,353
Cash, end of period	$ 1,459	$ 2,347