CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net income (loss)	$ 212	$ (850)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Share-based compensation	104	4
Depreciation and amortization	345	431
Gain on sale of property, plant and equipment	(15)	0
Non-cash lease expense	9	0
Changes in operating assets and liabilities:
Accounts receivable, net	(2,566)	(1,368)
Contract Assets	1,104	666
Prepaid expenses and other current assets	(34)	64
Other assets	21	37
Accounts payable and accrued liabilities	173	(238)
Contract Liabilities	64	(505)
Net cash used in operating activities	(583)	(1,759)
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment	15	0
Purchases of property, plant and equipment	0	(277)
Repayments on notes receivable (included in prepaid expenses and other current assets)	507	4
Short term investment - (certificate of deposit)	(5)	0
Net cash provided by (used in) investing activities	517	(273)
Cash flows from financing activities:
Principal payment on long-term debt	(3)	(1)
Cash paid for treasury shares purchased	(170)	0
Net cash used in financing activities	(173)	(1)
Change in cash	(239)	(2,033)
Cash, beginning of period	2,015	3,939
Cash, end of period	1,776	1,906
Supplemental schedule of investing and financing activities:
Property, plant and equipment sold for accounts receivable	27	0
Financing of property, plant and equipment	$ 0	$ 67