Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities:
Net income (loss)	$ 314,000	$ 1,559,000
Reconciliation of net income (loss) to cash provided by operating activities:
Depreciation and amortization expense	2,867,000	2,957,000
Amortization of debt issuance costs	45,000	45,000
Provision for losses on accounts receivable	83,000	23,000
Gain on disposal of equipment	0	(7,000)
Change in operating assets and liabilities:
Accounts receivable	(3,986,000)	(527,000)
Unbilled membership dues receivable	(232,000)	(278,000)
Inventories	(128,000)	(51,000)
Prepaid expenses	397,000	436,000
Other assets, net	5,000	1,000
Accounts payable	2,385,000	(2,002,000)
Accrued payroll and other compensation	667,000	473,000
Accrued taxes	44,000	21,000
Deferred membership dues revenue	1,063,000	1,228,000
Other liabilities and accrued expenses	(19,000)	74,000
Net cash provided by operating activities	3,505,000	3,952,000
Cash flows from investing activities:
Capital expenditures	(1,283,000)	(1,705,000)
Proceeds from disposal of equipment	0	7,000
Net cash used in investing activities	(1,283,000)	(1,698,000)
Cash flows from financing activities:
Principal payments on term loan facilities	(472,000)	(445,000)
Principal payments on finance lease obligations	(261,000)	(174,000)
Net cash used in financing activities	(733,000)	(619,000)
Increase in cash, cash equivalents and restricted cash	1,489,000	1,635,000
Cash, cash equivalents and restricted cash at beginning of period	11,761,000	11,452,000
Cash, cash equivalents and restricted cash at end of period	13,250,000	13,087,000
Significant Non-cash Operating and Investing Activities [Abstract]
Capital expenditures included in accounts payable	104,000	25,000
Significant non-cash investing and financing activities:
Operating lease right-of-use assets in exchange for lease obligations	0	684,000
Finance lease obligation incurred	935,000	201,000
Cash paid during the period for interest	1,576,000	1,645,000
Cash paid during the period for income taxes	$ 7,000	$ 0