Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net income (loss)	$ 1,559,000	$ (1,175,000)
Reconciliation of net income (loss) to cash provided by operating activities:
Depreciation and amortization expense	2,957,000	2,858,000
Amortization of debt issuance costs	45,000	35,000
Compensation costs - stock options	0	1,000
Provision for losses on accounts receivable	23,000	25,000
Gain on disposal of equipment	(7,000)	0
Change in operating assets and liabilities:
Accounts receivable	(527,000)	(501,000)
Unbilled membership dues receivable	(278,000)	(214,000)
Inventories	(51,000)	(255,000)
Prepaid expenses	436,000	224,000
Other assets, net	1,000	93,000
Accounts payable	(2,002,000)	(331,000)
Accrued payroll and other compensation	473,000	338,000
Accrued taxes	21,000	(61,000)
Deferred membership dues revenue	1,228,000	975,000
Other liabilities and accrued expenses	74,000	166,000
Net cash provided by operating activities	3,952,000	2,178,000
Cash flows from investing activities:
Capital expenditures	(1,705,000)	(3,211,000)
Proceeds from disposal of equipment	7,000	0
Net cash used in investing activities	(1,698,000)	(3,211,000)
Cash flows from financing activities:
Borrowings under line of credit facility	0	650,000
Principal payments on term loan facilities	(445,000)	(414,000)
Principal payments on finance lease obligations	(174,000)	(118,000)
Net cash used in financing activities	(619,000)	118,000
Increase in cash, cash equivalents and restricted cash	1,635,000	(915,000)
Cash, cash equivalents and restricted cash at beginning of period	11,452,000	12,050,000
Cash, cash equivalents and restricted cash at end of period	13,087,000	11,135,000
Significant non-cash operating and investing activities:
Capital expenditures included in accounts payable	25,000	89,000
Significant non-cash investing and financing activities:
Operating lease right-of-use assets in exchange for lease obligations	684,000	323,000
Finance lease obligation incurred	201,000	154,000
Cash paid during the period for interest	1,645,000	1,008,000
Cash paid during the period for income taxes	$ 0	$ 66,000