CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Net loss	$ (1,199)	$ (7,386)
Adjustments to reconcile net loss to net cash provided by operating activities:
Impairment of goodwill		4,513
Equity in net loss of joint venture	440
Share-based compensation	358	614
Stock issued for services		14
Bad debt (credit) expense	(230)	72
Depreciation and amortization	1,418	3,019
Gain on disposal of property, plant and equipment	(38)	(190)
Changes in assets and liabilities:
Accounts receivable	596	2,308
Inventory	(44)	184
Costs and estimated earnings in excess of billings on uncompleted contracts	(158)	(620)
Prepaid expenses and other current assets	183	118
Other assets	1	(294)
Accounts payable and accrued liabilities	(567)	2,104
Deferred revenues	(35)	418
Billings in excess of costs and estimated earnings on uncompleted contracts	1,133	(170)
Net cash provided by operating activities	1,858	4,704
Cash flows from investing activities:
Purchases of property, plant and equipment	(1,772)	(1,693)
Proceeds from sale of property, plant and equipment	55	251
Cash paid for patents	(18)
Investment in cost method securities		(25)
Cash paid for capitalized software	(65)	(245)
Repayments on (cash paid for) note receivable	14	(94)
Net cash used in investing activities	(1,786)	(1,806)
Cash flows from financing activities:
Funds used for purchase of our common stock	(818)
Proceeds from sale of common stock		501
Stock cancelled for payroll taxes	(2)
Proceeds from bank term loan	800
Repayments of long-term debt	(1,201)	(672)
Net cash used in financing activities	(1,221)	(171)
Change in cash and equivalents	(1,149)	2,727
Cash and cash equivalents, beginning of period	3,730	912
Cash and cash equivalents, end of period	$ 2,581	$ 3,639