Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
OPERATING ACTIVITIES
Net income	$ 265,000	$ 1,555,000
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	5,165,000	4,783,000
Non cash lease expense	(34,000)	(40,000)
Accretion of deferred issuance costs	46,000	84,000
Loss on write down of impaired assets	940,000	0
Deferred income taxes	(759,000)	344,000
Stock-based compensation	389,000	399,000
Changes in operating assets and liabilities:
Receivables	(719,000)	696,000
Prepaid expenses and other assets	21,000	(111,000)
Asset retirement obligations, related party	0	(397,000)
Related party liabilities	(491,000)	(845,000)
Accounts payable, accrued liabilities and deferred revenue	(79,000)	608,000
Income taxes payable	974,000	159,000
Net cash provided by operating activities	5,718,000	7,235,000
INVESTING ACTIVITIES
Payment for purchases of property and equipment	(6,273,000)	(388,000)
Net cash (used in) investing activities	(6,273,000)	(388,000)
FINANCING ACTIVITIES
Principal payments on long-term debt	(2,129,000)	(2,032,000)
Principal payments on line of credit	(1,400,000)	0
Long-term debt financing on purchase of property and equipment	1,750,000	0
Advances on line of credit	3,900,000	0
Distributions to non-controlling interests	0	(573,000)
Debt issuance costs long-term debt	(9,000)	(9,000)
Proceeds from options exercised	0	5,000
Principal payments on short-term financing prepaid insurance	(202,000)	(48,000)
Net cash provided by (used in) financing activities	1,910,000	(2,657,000)
Net change in cash and cash equivalents	1,355,000	4,190,000
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of year	12,453,000	8,263,000
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of year	13,808,000	12,453,000
SUPPLEMENTAL CASH FLOW DISCLOSURE
Cash paid for interest	1,066,000	722,000
Cash paid for income taxes	297,000	169,000
SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Equipment included in accounts payable and accrued liabilities	1,955,000	0
DETAIL OF CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD
Cash and cash equivalents	13,690,000	12,335,000
Restricted cash	118,000	118,000
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of year	$ 13,808,000	$ 12,453,000