CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income	$ 372	$ 224
Adjustments to reconcile net income to net cash used in operating activities:
Equity in net income of joint venture	0	(1)
Share-based compensation	135	40
Bad debt credit	(44)	(26)
Depreciation and amortization	410	379
Gain on disposal of property, plant and equipment	(373)	(4)
Changes in assets and liabilities:
Accounts receivable	(1,272)	552
Costs and estimated earnings in excess of billings on uncompleted contracts	939	(885)
Prepaid expenses and other current assets	82	150
Other assets	31	4
Inventory	(2)	(447)
Accounts payable and accrued liabilities	(435)	(1,176)
Deferred revenues		(33)
Billings in excess of costs and estimated earnings on uncompleted contracts	111	470
Net cash used in operating activities	(46)	(753)
Cash flows from investing activities:
Purchases of property, plant and equipment	(245)	(34)
Proceeds from sale of property, plant and equipment	900	4
Cash paid for deposits	(47)	(99)
Repayments on notes receivable	16	4
Net cash provided by (used in) investing activities	624	(125)
Cash flows from financing activities:
Cash paid for purchase of our common stock	(125)	0
Proceeds from bank term loans	0	521
Cash paid for deferred financing costs	0	(43)
Repayments of long-term debt	(422)	(567)
Net cash used in financing activities	(547)	(89)
Change in cash and equivalents	31	(967)
Cash and cash equivalents, beginning of period	5,260	1,523
Cash and cash equivalents, end of period	$ 5,291	$ 556