Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 1,152	$ 7,649
Adjustments to reconcile net cash provided by (used in) provided by operating activities:
Depreciation and amortization expense	6,684	6,383
Deferred income taxes	0	(10)
Stock-based compensation	1,160	877
Allowance for credit losses	(5)	82
Common stock issued under defined contribution 401(k) plan	1,199	1,336
(Gain) loss on disposal of assets	(114)	42
Changes in operating assets and liabilities:
Accounts receivable	5,782	(2,295)
AMP credit receivable	4,518	(7,051)
Contract assets	624	495
Inventories	(2,545)	6,857
Prepaid expenses and other current assets	1,126	(210)
Accounts payable	(4,392)	(6,008)
Accrued liabilities	(2,872)	2,782
Customer deposits	1,537	(18,050)
Other non-current assets and liabilities	(48)	175
Net cash provided by (used in) operating activities	13,806	(6,946)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(3,618)	(6,405)
Proceeds from disposals of property and equipment	159	21
Net cash used in investing activities	(3,459)	(6,384)
CASH FLOWS FROM FINANCING ACTIVITIES:
(Payments on) proceeds from line of credit, net	(4,637)	4,705
Payments for deferred financing costs	(20)	(48)
Proceeds from long-term debt	4,107	1,056
Payments on long-term debt	(1,399)	(1,872)
Principal payments on finance leases	(1,646)	(1,409)
Shares withheld for taxes in connection with issuance of restricted stock	(130)	(735)
Net cash (used in) provided by financing activities	(3,725)	1,697
NET INCREASE (DECREASE) IN CASH	6,622	(11,633)
CASH beginning of the period	1,099	12,732
CASH end of the period	7,721	1,099
Supplemental cash flow information:
Interest paid	1,555	2,073
Income taxes paid	192	17
Non-cash investing and financing activities:
Equipment additions via finance lease	1,376	719
Non-cash purchases of property and equipment	257	482
Settlement of incentive compensation liability with stock	$ 0	$ 619