CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net loss	$ (193)	$ (14)
Adjustments to reconcile net loss to net cash provided by operating activities:
Share-based compensation	101	309
Depreciation and amortization	1,204	1,295
Gain on sale of assets	(574)	(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	2,298	551
Costs and estimated earnings in excess of billings on uncompleted contracts	779	(848)
Prepaid expenses and other current assets	(45)	(56)
Other assets	(161)	37
Accounts payable and accrued liabilities	(362)	217
Billings in excess of costs and estimated earnings on uncompleted contracts	(2,745)	2,209
Net cash provided by operating activities	208	2,653
Cash flows from investing activities:
Purchases of property, plant and equipment	(2,306)	(1,105)
Proceeds from sale of assets (net of $60 cash paid for costs to sell)	958	3,800
Repayments received on employee receivable	20	11
Other investing activity	(10)	0
Cash distribution received from joint venture	94	161
Net cash provided by (used in) investing activities	(1,244)	2,867
Cash flows from financing activities:
Cash paid for purchase of our common stock	(1,474)	(305)
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 provided by (used in) financing activities	(1,474)	833
Change in cash	(2,510)	6,353
Cash, beginning of period	8,203	374
Cash, end of period	$ 5,693	$ 6,727