CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income (loss)	$ 64	$ (450)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Share-based compensation	34	155
Write-off of deferred financing fees	0	21
Depreciation and amortization	389	428
Gain on sale of assets	0	(1,070)
Changes in assets and liabilities:
Accounts receivable, net of allowance	1,580	1,908
Costs and estimated earnings in excess of billings on uncompleted contracts	56	444
Prepaid expenses and other current assets	67	84
Other assets	(7)	48
Accounts payable and accrued liabilities	(105)	(284)
Billings in excess of costs and estimated earnings on uncompleted contracts	(1,735)	194
Net cash provided by operating activities	343	1,478
Cash flows from investing activities:
Purchases of property, plant and equipment	(456)	(103)
Proceeds from sale of assets	0	3,800
Cash distribution received from joint venture	0	161
Repayments on notes receivable	6	3
Net cash provided by (used in) investing activities	(450)	3,861
Cash flows from financing activities:
Deferred financing costs on bank term loan	0	(11)
Proceeds from bank loan drawn for working capital purposes	0	300
Repayments of long-term debt	0	(3,047)
Cash paid for purchase of our common stock	(83)	0
Net cash used in financing activities	(83)	(2,758)
Change in cash	(190)	2,581
Cash, beginning of period	8,203	374
Cash, end of period	$ 8,013	$ 2,955