CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net income	$ 1,627	$ 1,309
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Equity in net (income) loss of joint venture	(1)	179
Share-based compensation	471	519
Forgiveness of debt	0	(10)
Bad debt (recovery) provision	(19)	92
Depreciation and amortization	1,157	1,401
Gain on disposal of property, plant and equipment	(21)	(112)
Changes in assets and liabilities:
Accounts receivable	101	(1,297)
Costs and estimated earnings in excess of billings on uncompleted contracts	(3,343)	(1,642)
Prepaid expenses and other current assets	(109)	(60)
Other assets	19	103
Inventory	(12)	(3)
Accounts payable and accrued liabilities	(999)	1,587
Deferred revenues	32	(260)
Billings in excess of costs and estimated earnings on uncompleted contracts	(187)	(1,499)
Net cash (used in) provided by operating activities	(1,284)	307
Cash flows from investing activities:
Purchases of property, plant and equipment	(451)	(1,520)
Proceeds from sale of property, plant and equipment	33	150
Cash paid for deposits	(446)	0
Cash paid for patents	0	(43)
Cash paid for exclusive product rights	0	(125)
Repayments on notes receivable	9	50
Distribution from joint venture	500	0
Net cash provided by (used in) investing activities	(355)	(1,488)
Cash flows from financing activities:
Proceeds from issuance of common stock, net of issuance costs	7,647	0
Cash paid for purchase of our common stock	0	(48)
Proceeds from bank term loans	1,020	0
Cash paid for deferred financing costs	(45)	0
Repayments of long-term debt	(2,562)	(1,552)
Net cash provided by (used in) financing activities	6,060	(1,600)
Change in cash and equivalents	4,421	(2,781)
Cash and cash equivalents, beginning of period	1,523	4,979
Cash and cash equivalents, end of period	5,944	2,198
Supplemental schedule of significant noncash transactions:
Property, plant and equipment acquired via capital lease	0	1,200
Shares of common stock surrendered by employees related to payroll taxes on vested restricted stock awards	$ 34	$ 41