CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ 541	$ (993)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Share-based compensation	67	274
Depreciation and amortization	791	812
Gain on sale of assets	(14)	(1,070)
Write-off of deferred financing fees	0	23
Equity in net income of joint venture	(94)	0
Changes in assets and liabilities:
Accounts receivable, net of allowance	2,096	584
Costs and estimated earnings in excess of billings on uncompleted contracts	890	(920)
Prepaid expenses and other current assets	134	(55)
Other assets	(167)	15
Accounts payable and accrued liabilities	(481)	207
Billings in excess of costs and estimated earnings on uncompleted contracts	(2,749)	3,218
Net cash provided by operating activities	1,014	2,095
Cash flows from investing activities:
Purchases of property, plant and equipment	(1,588)	(588)
Proceeds from sale of assets	18	3,800
Repayments on employee receivable	13	7
Cash distribution received from joint venture	94	161
Net cash provided by (used in) investing activities	(1,463)	3,380
Cash flows from financing activities:
Cash paid for purchase of our common stock	(558)	(4)
Proceeds from bank loans	0	300
Cash paid for deferred financing costs	0	(15)
Release of compensating balance	0	3,900
Repayments of long-term debt	0	(3,047)
Net cash used in financing activities	(558)	1,134
Change in cash	(1,007)	6,609
Cash, beginning of period	8,203	374
Cash, end of period	$ 7,196	$ 6,983