CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Net loss	$ (1,806)	$ (2,998)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Equity in net loss of joint venture	316
Share-based compensation	159	453
Stock issued for services		14
Bad debt (credit) expense	(225)	58
Depreciation and amortization	958	1,989
(Gain) loss on disposal of property, plant and equipment	(16)	3
Changes in assets and liabilities:
Accounts receivable	1,353	1,594
Inventory	56	187
Costs and estimated earnings in excess of billings on uncompleted contracts	(27)	26
Prepaid expenses and other current assets	45	26
Other assets	(5)	(345)
Accounts payable and accrued liabilities	(2,327)	1,599
Deferred revenues	5	1,158
Billings in excess of costs and estimated earnings on uncompleted contracts	275	(2,199)
Net cash (used in) provided by operating activities	(1,239)	1,565
Cash flows from investing activities:
Purchases of property, plant and equipment	(1,093)	(1,145)
Proceeds from sale of property, plant and equipment	33
Cash paid for patents	(17)
Investment in cost method securities		(25)
Cash paid for capitalized software	(35)	(201)
Repayments on (cash paid for) note receivable	9	(99)
Net cash used in investing activities	(1,103)	(1,470)
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	(605)	(389)
Net cash (used in) provided by financing activities	(625)	112
Change in cash and equivalents	(2,967)	207
Cash and cash equivalents, beginning of period	3,730	912
Cash and cash equivalents, end of period	$ 763	$ 1,119