CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net loss	$ (450)	$ (1,302)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Share-based compensation	155	126
Write off of deferred financing fees	21	0
Depreciation and amortization	428	379
Gain on sale of property, plant and equipment	(1,070)	0
Changes in assets and liabilities:
Accounts receivable, net of allowance	1,908	(571)
Inventory	0	(114)
Costs and estimated earnings in excess of billings on uncompleted contracts	444	862
Prepaid expenses and other current assets	84	103
Other assets	48	9
Accounts payable and accrued liabilities	(284)	(448)
Billings in excess of costs and estimated earnings on uncompleted contracts	194	634
Net cash provided by (used in) operating activities	1,478	(322)
Cash flows from investing activities:
Purchases of property, plant and equipment	(103)	(179)
Proceeds from sale of property, plant and equipment	3,800	0
Cash distribution received from joint venture	161	0
Repayments on notes receivable	3	9
Net cash provided by (used in) investing activities	3,861	(170)
Cash flows from financing activities:
Deferred financing costs on bank term loan	(11)	0
Proceeds from bank loan drawn for working capital purposes	300	1,000
Repayments of long-term debt	(3,047)	(162)
Net cash provided by (used in) financing activities	(2,758)	838
Change in cash	2,581	346
Cash, beginning of period	374	1,412
Cash, end of period	$ 2,955	$ 1,758