Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (495)	$ (370)
Adjustments to reconcile net cash provided by (used in) operating activities:
Depreciation and amortization expense	1,479	1,702
Deferred income taxes	17	(11)
Stock-based compensation	158	189
Allowance for credit losses	(13)	(16)
Common stock issued under defined contribution 401(k) plan	225	286
Gain on sale of assets	(80)	0
Changes in operating assets and liabilities:
Accounts receivable	(144)	2,304
AMP credit receivable	(8)	(33)
Contract assets	585	(90)
Inventories	(735)	(9,566)
Prepaid expenses and other current assets	480	(394)
Accounts payable	232	6,815
Accrued liabilities	1,649	285
Customer deposits	(315)	(9,161)
Other non-current assets and liabilities	(130)	23
Net cash provided by (used in) operating activities	2,905	(8,037)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(2,778)	(916)
Net proceeds from disposals of property and equipment	90	0
Net cash used in investing activities	(2,688)	(916)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from line of credit, net	924	3,356
Payments on long-term debt	(281)	(361)
Payments for deferred financing costs	(20)	0
Payments on finance leases	(353)	(363)
Shares withheld for taxes in connection with issuance of restricted stock	0	(196)
Net cash provided by financing activities	270	2,436
NET INCREASE (DECREASE) IN CASH	487	(6,517)
CASH beginning of the period	456	7,721
CASH end of the period	$ 943	$ 1,204