Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
OPERATING ACTIVITIES
Net income (loss)	$ 678,000	$ (7,716,000)
Adjustments to reconcile net income (loss) to net cash from operating activities (excluding assets acquired and liabilities assumed):
Depreciation and amortization	4,972,000	6,970,000
Non cash lease expense	309,000	288,000
Amortization of deferred issuance costs	59,000	0
Loss on write down impaired assets	105,000	8,184,000
Loss on sublease impairment, net	74,000	0
Loss on extinguishment of debt	401,000	0
Deferred income taxes	60,000	(2,162,000)
Stock-based compensation expense	420,000	299,000
Interest expense associated with lease liabilities	42,000	65,000
Changes in operating assets and liabilities:
Receivables	(519,000)	2,966,000
Prepaid expenses and other assets	14,000	762,000
Accounts payable, accrued liabilities and deferred revenue	851,000	263,000
Asset retirement obligations	(618,000)	0
Lease liability	(351,000)	(353,000)
Income taxes payable	(230,000)	179,000
Net cash from operating activities	6,267,000	9,745,000
INVESTING ACTIVITIES
Payment for purchase of property and equipment	(1,674,000)	(455,000)
Payment for acquisition, net of cash acquired	0	(2,084,000)
Proceeds from sale of equipment	0	150,000
Net cash (used in) investing activities	(1,674,000)	(2,389,000)
FINANCING ACTIVITIES
Principal payments on long-term debt	(3,927,000)	(1,726,000)
Principal payments on finance leases	(8,919,000)	(3,199,000)
Proceeds from financing for acquisition	0	1,425,000
Long-term debt financing	13,897,000	0
Prepayment penalties	(401,000)	0
Distributions to non-controlling interests	(514,000)	(761,000)
Debt issuance costs long-term debt	(325,000)	(30,000)
Proceeds from options exercised	5,000	0
Principal payments on short-term financing prepaid insurance	(471,000)	(519,000)
Net cash (used in) financing activities	(655,000)	(4,810,000)
Net change in cash and cash equivalents	3,938,000	2,546,000
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of year	4,325,000	1,779,000
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of year	8,263,000	4,325,000
SUPPLEMENTAL CASH FLOW DISCLOSURE
Cash paid for interest	680,000	938,000
Cash paid for income taxes	712,000	339,000
SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Lease reassessment right of use assets and lease liabilities	0	67,000
Right of use assets and lease liabilities	151,000	135,000
Interest capitalized to property and equipment	0	119,000
Acquisition of equipment with finance leases	0	496,000
Acquisition of equipment with long-term debt financing	1,103,000	1,184,000
Acquisition of insurance with short-term financing	0	634,000
First working capital payment related to acquisition, withholding taxes	0	43,000
Subsequent working capital payment for acquisition	$ 0	$ 154,000