CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net loss	$ (1,841)	$ (5,803)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	1,704	1,599
Goodwill impairment	0	4,916
Share-based compensation	516	693
Inventory obsolescence	0	205
Bad debt (credit) expense	70	(19)
Equity in net income of joint venture and other income	(133)	(32)
Gain on sale of property, plant and equipment	(7)	(301)
Changes in operating assets and liabilities:
Accounts receivable	(1,421)	(1,668)
Inventory	10	39
Costs and estimated earnings in excess of billings on uncompleted contracts	5,454	(961)
Prepaid expenses and other current assets	51	(6)
Other assets	3	43
Accounts payable and accrued liabilities	(1,977)	1,351
Billings in excess of costs and estimated earnings on uncompleted contracts	46	(201)
Net cash provided by (used in) operating activities	2,475	(145)
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment	12	921
Payments received on employee receivable	23	20
Purchases of property, plant and equipment	(720)	(1,755)
Cash distribution received from joint venture	65	500
Net cash used in investing activities	(620)	(314)
Cash flows from financing activities:
Proceeds from long-term debt	1,750	4,700
Principal payments on long-term debt	(4,618)	(4,019)
Compensating balance	0	(3,900)
Deferred financing costs on bank term loan	(25)	(45)
Cash paid for purchase of our common stock	0	(125)
Net cash used in financing activities	(2,893)	(3,389)
Decrease in cash	(1,038)	(3,848)
Cash, beginning of year	1,412	5,260
Cash, end of year	374	1,412
Supplemental schedule of operating, investing and financing activities:
Cash paid for interest	218	208
Equity income receivable	68	0
Shares of common stock surrendered to settle employee payroll tax liabilities	58	178
Reclassification of equipment from property, plant and equipment to finished goods inventory	0	3,117
Reclassification of land and buildings purchase price from deposits in other assets to property, plant and equipment	0	500
Sale of land and buildings to an employee in exchange for note receivable in other assets	$ 0	$ 600