CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities
Net loss	$ (4,240)	$ (2,866)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	3,164	3,094
Amortization of intangible assets	1,618	566
Provision for bad debt, net	7	109
Stock-based compensation	260	302
Gain on disposal of discontinued operations	0	(350)
Amortization of loan issuance costs	163	28
Debt issuance costs write-off	0	151
Financing costs write-off	0	273
Loss on sale of assets	165	24
Deferred income taxes, net	66	(75)
Other, net	20	(23)
Changes in operating assets and liabilities:
Accounts receivable	4,042	(348)
Inventories	(446)	(290)
Other assets	207	(529)
Accounts payable	(3,317)	(694)
Accrued compensation	(447)	262
Deferred revenue	390	159
Operating lease liabilities	(5)	(21)
Other liabilities	(1,598)	596
Net cash provided by operating activities	49	368
Investing activities
Purchases of property and equipment	(286)	(1,446)
Purchase of real estate from related and third parties	0	(5,180)
Proceeds from sale of property and equipment	84	1,320
Proceeds from sales of equity securities	0	140
Payments to acquire interest in joint ventures	0	(1,000)
Net cash used in investing activities	(202)	(6,166)
Financing activities
Proceeds from borrowings	58,570	40,982
Repayment of debt	(55,371)	(35,168)
Loan issuance costs	(317)	(404)
Net proceeds from sale of common stock and warrants	4,203	0
Proceeds from exercise of warrants	773	0
Taxes paid related to net share settlement of equity awards	(13)	(24)
Repayment of obligations under finance leases	(473)	(369)
Net cash provided by financing activities	7,372	5,017
Net increase (decrease) in cash, cash equivalents, and restricted cash	7,219	(781)
Cash, cash equivalents, and restricted cash at beginning of period	2,061	1,813
Cash, cash equivalents, and restricted cash at end of period	$ 9,280	$ 1,032