CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net loss	$ (4,742)	$ (116)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,872	1,348
Share-based compensation	56	134
Bad debt expense (recovery)	67	(22)
Equity in net income of joint venture and other income	0	(94)
Gain on disposal of assets	(439)	(576)
Loss on asset impairment	1,890	0
Changes in operating assets and liabilities:
Accounts receivable, net	(503)	1,919
Contract Assets	(1,006)	152
Prepaid expenses and other current assets	218	(6)
Other assets	210	(497)
Accounts payable and accrued liabilities	471	(267)
Contract Liabilities	361	(2,737)
Net cash used in operating activities	(1,545)	(762)
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment	538	908
Payments received on employee receivable (included in other assets)	16	15
Advances	0	(94)
Purchases of property, plant and equipment	(882)	(2,940)
Cash used in short term investment	(18)	(12)
Cash distribution received from joint venture	0	94
Net cash used in investing activities	(346)	(2,029)
Cash flows from financing activities:
Principal payment on long-term debt	(11)	0
Cash paid for purchase of our common stock	(22)	(1,473)
Net cash used in financing activities	(33)	(1,473)
Change in cash	(1,924)	(4,264)
Cash, beginning of year	3,939	8,203
Cash, end of year	2,015	3,939
Supplemental schedule of non-cash investing and financing activities:
Shares of common stock surrendered to settle employee payroll tax liabilities	30	0
Reclassification of equipment	0	3,117
Reclassification of a note receivable	537	553
Property, plant, and equipment acquired with debt	67	0
Property, plant, and equipment acquired in exchange for accounts receivable	250	0
Accounts receivable for sale of property, plant and equipment	$ 40	$ 0