Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net loss	$ (4,513)	$ (1,597)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation expense	4,536	4,585
Deferred income tax expense	28	0
Stock-based compensation expense	158	0
Bad debt expense	144	0
Gain on disposal of fixed assets	(11)	0
Income from equity investment in joint venture	(887)	0
Distributions from equity investment in joint venture	2,054	0
Deferred compensation costs	87	0
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	4,316	(601)
Due to (from) related parties	0	(708)
Inventories	28	59
Prepaid expenses and other current assets	920	709
Prepaid expenses and other current assets	(2,537)	2,432
Net cash provided by operating activities	4,323	4,879
Cash flows from investing activities:
Acquisition of fixed assets	(281)	(1,577)
Proceeds on sales of fixed assets	12	0
Net cash used in investing activities	(269)	(1,577)
Cash flows from financing activities:
Proceeds on long-term borrowings	1,080	0
Payments on long-term borrowings from related parties	(1,694)	(1,672)
Proceeds from short-term notes payable	0	216
Payments on short-term notes payable	(201)	(176)
Net cash used in financing activities	(815)	(1,632)
Effect of exchange rate changes on cash	(162)	0
Net increase in cash and cash equivalents	3,077	1,670
Cash and cash equivalents, beginning of period	3,979	1,247
Cash and cash equivalents, end of period	7,056	2,917
Supplemental disclosure of cash flow information:
Interest paid	474	348
Income taxes paid	$ 210	$ 0