CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
OPERATING ACTIVITIES
Net (loss) income	$ (7,716)	$ 1,430
Adjustments to reconcile net income to net cash from operating activities (excluding assets acquired and liabilities assumed):
Depreciation and amortization	6,970	7,411
Non cash lease expense	288	256
Loss on write down impaired assets	8,184	0
Deferred income taxes	(2,162)	(444)
Accrued interest on lease financing	0	29
Stock-based compensation expense	299	230
Interest expense associated with lease liabilities	65	76
Changes in operating assets and liabilities:
Receivables	2,966	(1,187)
Prepaid expenses and other assets	762	260
Accounts payable, accrued liabilities and deferred revenue	263	28
Lease liabilities	(353)	(332)
Income taxes payable	179	130
Net insurance proceeds receivable	0	160
Net cash from operating activities	9,745	8,047
INVESTING ACTIVITIES
Payment for purchase of property and equipment	(455)	(990)
Payment for acquisition, net of cash acquired	(2,084)	0
Proceeds from sale of equipment	150	0
Net cash (used in) investing activities	(2,389)	(990)
FINANCING ACTIVITIES
Principal payments on long-term debt	(1,726)	(1,980)
Principal payments on finance leases	(3,199)	(4,142)
Proceeds from financing from acquisition	1,425	0
Distributions to non-controlling interests	(761)	(939)
Debt issuance costs	(30)	0
Proceeds from warrants and options exercised	0	42
Principal payments on short-term financing	(519)	(51)
Net cash (used in) financing activities	(4,810)	(7,070)
Net change in cash, cash equivalents and restricted cash	2,546	(13)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of year	1,779	1,792
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of year	4,325	1,779
SUPPLEMENTAL CASH FLOW DISCLOSURE
Cash paid for interest	938	1,318
Cash paid for income taxes	339	397
SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Lease reassessment right of use assets and lease liabilities	67
Right of use assets and lease liabilities	135	1,362
Interest capitalized to property and equipment	119	110
Acquisition of equipment with finance leases	496	1,293
Acquisition of equipment with long-term debt financing	1,184	0
Acquisition of insurance with short-term financing	634	$ 526
First working capital payment related to acquisition, withholding taxes	43
Estimated subsequent working capital payment for acquisition	$ 154