Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Consolidated Statements of Cash Flows
Net income (loss)	$ 7,675	$ 795
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation and amortization	2,664	2,399
(Gain) loss on sale of fixed assets	(19)	(346)
Allowance for credit losses	325	(39)
Stock compensation	45	375
Settlement of restricted stock	(142)	0
Inventory Reserve	13	19
Deferred taxes	(1,157)	(434)
(Increase) decrease in
Accounts receivable - billed	(2,536)	(1,010)
Accounts receivable - unbilled	(802)	(464)
Inventories	(1,541)	(1,351)
Prepaid expenses and other assets	290	(678)
Refundable income taxes	(23)	(478)
Increase (decrease) in
Accounts payable - trade	(3,022)	1,520
Accrued expenses and other liabilities	(401)	32
Deferred revenue	3,395	2,724
Accrued compensation	566	415
Accrued income taxes	1,067	327
Customer deposits	(1,239)	2,042
Net cash provided by (used in) operating activities	5,158	7,732
Cash flows from investing activities
Purchases of property and equipment	(6,203)	(5,010)
Proceeds from sale of property and equipment	53	346
Net cash provided by (used in) investing activities	(6,150)	(4,664)
Cash flows from financing activities
Repayments of long-term borrowings	(635)	(619)
Net cash provided by (used in) financing activities	(635)	(619)
Net increase (decrease) in cash	(1,627)	2,449
Cash, beginning of year	9,175	6,726
Cash, end of year	7,548	9,175
Supplemental cash flow information:
Cash payments for interest	223	255
Cash payments for income taxes	2,256	189
Capital expenditures in accounts payable	$ 426	$ 2,049