Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (1,050)	$ (559)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation expense	2,270	2,290
Deferred income tax expense	41	0
Stock-based compensation expense	19	0
Bad debt expense	144	0
Gain on disposal of fixed assets	(11)	0
Loss from equity investment in joint venture	114	0
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	(356)	(2,697)
Due to (from) related parties	(19)	482
Inventories	82	46
Prepaid expenses and other current assets	991	903
Prepaid expenses and other current assets	(1,902)	777
Other	26	(41)
Net cash provided by operating activities	349	1,201
Cash flows from investing activities:
Acquisition of fixed assets	(112)	(293)
Proceeds on sales of fixed assets	11	0
Net cash used in investing activities	(101)	(293)
Cash flows from financing activities:
Payments on long-term borrowings from related parties	(768)	(893)
Proceeds from short-term notes payable	0	77
Payments on short-term notes payable	(237)	0
Net cash used in financing activities	(1,005)	(816)
Effect of exchange rate changes on cash	(60)	0
Net increase (decrease) in cash and cash equivalents	(817)	92
Cash and cash equivalents, beginning of period	3,979	1,247
Cash and cash equivalents, end of period	3,162	1,339
Supplemental disclosure of cash flow information:
Interest paid	251	309
Income taxes paid	$ 0	$ 0