Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net loss	$ (6,646)	$ (4,952)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation expense	6,802	6,892
Deferred income tax expense	41	0
Stock-based compensation expense	344	0
Bad debt expense	144	147
Gain on disposal of fixed assets	(11)	(17)
Gain on extinguishment of debt	0	(116)
Income from equity investment in joint venture	(1,529)	(187)
Distributions from equity investment in joint venture	2,054	0
Deferred compensation costs	72	0
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	3,629	1,823
Due to (from) related parties	0	113
Inventories	48	67
Prepaid expenses and other current assets	(396)	(1,184)
Prepaid expenses and other current assets	(2,085)	1,117
Other	0	18
Net cash provided by operating activities	2,467	3,721
Cash flows from investing activities:
Acquisition of fixed assets	(327)	(2,103)
Proceeds on sales of fixed assets	12	125
Net cash used in investing activities	(315)	(3,243)
Cash flows from financing activities:
Proceeds on long-term borrowings	1,080	0
Proceeds on long-term borrowings from related parties	0	5,000
Payments on long-term borrowings from related parties	(3,776)	(2,582)
Proceeds from short-term notes payable	776	767
Payments on short-term notes payable	(644)	(394)
Net cash provided by (used in) financing activities	(2,564)	2,791
Effect of exchange rate changes on cash	(157)	0
Net increase (decrease) in cash and cash equivalents	(569)	3,269
Cash and cash equivalents, beginning of period	3,979	1,247
Cash and cash equivalents, end of period	3,410	4,516
Supplemental disclosure of cash flow information:
Interest paid	834	1,108
Income taxes paid	210	0
Non-cash investing and financing activities:
Extinguishment of long-term debt through issuance of common stock	0	7,000
American Electric
Cash flows from investing activities:
Acquisition, net of cash received	0	(1,876)
Diversenergy
Cash flows from investing activities:
Acquisition, net of cash received	$ 0	$ 611