CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities:
Net income (loss)	$ 164	$ (1,841)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	1,532	1,704
Share-based compensation	344	516
Bad debt expense	167	70
Write off of deferred financing fees	23	0
Equity in net income of joint venture and other income	0	(133)
Gain on sale of assets	(1,070)	(7)
Changes in operating assets and liabilities:
Accounts receivable	1,355	(1,421)
Inventory	0	10
Costs and estimated earnings in excess of billings on uncompleted contracts	277	5,454
Prepaid expenses and other current assets	(67)	51
Other assets	5	3
Accounts payable and accrued liabilities	(419)	(1,977)
Billings in excess of costs and estimated earnings on uncompleted contracts	3,303	46
Net cash provided by operating activities	5,614	2,475
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment	3,800	12
Payments received on employee receivable	27	23
Purchases of property, plant and equipment	(1,339)	(720)
Cash used in short term investment	(1,005)	0
Cash distribution received from joint venture	161	65
Net cash provided by (used in) investing activities	1,644	(620)
Cash flows from financing activities:
Proceeds from long-term debt	300	1,750
Repayments of long-term debt	(3,047)	(4,618)
Release of compensating balance	3,900	0
Cash paid for deferred financing costs	(15)	(25)
Cash paid for purchase of our common stock	(567)	0
Net cash provided by (used in) financing activities	571	(2,893)
Change in cash	7,829	(1,038)
Cash, beginning of year, net of compensating balance of $3,900	374	1,412
Cash, end of year	8,203	374
Supplemental schedule of operating, investing and financing activities:
Cash paid for interest	47	218
Equity income receivable	0	68
Shares of common stock surrendered to settle employee payroll tax liabilities	222	58
Reclassification of equipment from inventory to other assets	3,117	0
Reclassification of a note receivable from other assets to other current assets	$ 568	$ 0