Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net income (loss)	$ 6,278	$ 565
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	1,996	1,795
(Gain) loss on sale of property and equipment	(19)	(252)
Allowance for credit losses	271	(53)
Stock compensation	40	261
Settlement of restricted stock	(142)	0
Deferred taxes	(1)	0
(Increase) decrease in
Accounts receivable - billed	(884)	(630)
Accounts receivable - unbilled	(389)	(254)
Inventories	(1,092)	(390)
Prepaid expenses and other assets	186	(685)
Refundable income taxes	(23)	1
Increase (decrease) in
Accounts payable - trade	(1,909)	(340)
Accrued expenses and other liabilities	21	383
Deferred revenue	3,052	1,288
Accrued compensation	178	(14)
Accrued income taxes	(473)	89
Customer deposits	(1,287)	1,699
Net cash provided by (used in) operating activities	5,803	3,463
Cash flows from investing activities:
Purchases of property and equipment	(5,543)	(4,131)
Proceeds from the sale of property and equipment	25	252
Net cash provided by (used in) investing activities	(5,518)	(3,879)
Cash flows from financing activities:
Repayments of long-term borrowings	(447)	(461)
Net cash provided by (used in) financing activities	(447)	(461)
Net increase (decrease) in cash	(162)	(877)
Cash
Beginning of period	9,175	6,726
End of period	9,013	5,849
Supplemental Cash Flow Information:
Cash payments for interest	175	192
Cash payments for income taxes	1,558	6
Non-Cash Investing Activities
Capital expenditures in accounts payable	$ 478	$ 2,625