Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income (loss)	$ (1,175)	$ 76
Reconciliation of net income (loss) to cash provided by operating activities:
Depreciation and amortization expense	2,858	2,553
Amortization of debt issuance costs	35	35
Compensation costs - stock options	1	3
Provision for losses on accounts receivable	25	11
Change in operating assets and liabilities:
Accounts receivable	(501)	(3,487)
Unbilled membership dues receivable	(214)	(300)
Inventories	(255)	(384)
Prepaid expenses	224	(62)
Other assets, net	93	15
Accounts payable	(331)	610
Accrued payroll and other compensation	338	707
Accrued income taxes	27	61
Other accrued taxes	(88)	(118)
Deferred membership dues revenue	975	1,286
Other liabilities and accrued expenses	166	363
Net cash provided by (used in) operating activities	2,178	1,369
Cash flows from investing activities:
Capital expenditures	(3,211)	(5,232)
Net cash used in investing activities	(3,211)	(5,232)
Cash flows from financing activities:
Proceeds under New Term Loan facility	0	31,000
Principal payments on term loan facilities	(414)	(20,879)
Borrowings under line of credit facility	650	950
Payments of debt issuance costs	0	(277)
Principal payments on finance lease obligations	(118)	(132)
Net cash used in financing activities	118	10,804
Decrease in cash, cash equivalents and restricted cash	(915)	6,941
Cash, cash equivalents and restricted cash at beginning of period	12,050	4,950
Cash, cash equivalents and restricted cash at end of period	11,135	11,891
Significant non-cash investing and financing activities:
Capital expenditures included in accounts payable	89	223
Operating lease right-of-use assets in exchange for lease obligations	323	31
Finance lease obligations incurred	154	0
Cash paid during the period for interest	1,008	820
Cash paid during the period for income taxes	66	47
Subsidiaries [Member]
Cash flows from financing activities:
Proceeds from subsidiary private placement offering	$ 0	$ 142