Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net income	$ 934,000	$ 60,000
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, amortization, and other	2,375,000	2,509,000
Amortization of debt issuance costs	37,000	14,000
Loss on extinguishment of debt	0	401,000
Non cash lease expense	168,000	149,000
Deferred income taxes	319,000	(64,000)
Stock-based compensation expense	159,000	203,000
Interest expense associated with lease liabilities	18,000	22,000
Changes in operating assets and liabilities:
Receivables	718,000	335,000
Prepaid expenses and other assets	1,261,000	1,086,000
Asset retirement obligations, related party	(457,000)	(562,000)
Related party liabilities	(792,000)	670,000
Accounts payable, accrued liabilities, and deferred revenue	(446,000)	(573,000)
Income taxes	0	(252,000)
Lease liabilities	(202,000)	(171,000)
Net cash provided by operating activities	4,092,000	3,827,000
Investing activities:
Payment for purchase of property and equipment	(96,000)	(229,000)
Net cash used in investing activities	(96,000)	(229,000)
Financing activities:
Principal payments on long-term debt	(297,000)	(3,254,000)
Principal payments on finance leases	0	(8,919,000)
Principal payments on short-term financing	0	(294,000)
Distributions to non-controlling interests	0	(204,000)
Proceeds from long-term debt financing, net of property and equipment acquired	0	13,897,000
Prepayment penalties	0	(401,000)
Debt issuance costs long-term debt	0	(316,000)
Proceeds from options exercised	5,000	5,000
Net cash used in financing activities	(292,000)	514,000
Net change in cash, cash equivalents, and restricted cash	3,704,000	4,112,000
Cash, cash equivalents, and restricted cash at beginning of period	8,263,000	4,325,000
Cash, cash equivalents, and restricted cash at end of period	11,967,000	8,437,000
Supplemental cash flow disclosure
Interest	260,000	425,000
Income taxes paid	156,000	557,000
Schedule of non-cash investing and financing activities
Acquisition of equipment with long-term debt financing	0	1,103,000
Detail of cash, cash equivalents and restricted cash at end of period
Cash and cash equivalents	11,849,000	8,319,000
Restricted cash	118,000	118,000
Cash, cash equivalents, and restricted cash at end of period	$ 11,967,000	$ 8,437,000