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Consolidated Statements of Cash Flows (unaudited) (USD $)
In Thousands
6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Cash flows provided by (used in) operating activities:  
Net loss$ (4,988)$ (6,590)
Less net loss from discontinued operations05,203
Net loss from continuing operations(4,988)(1,387)
Adjustments to reconcile net loss to net cash used in operating activities (see Schedule A):1,675(1,788)
Net cash used in operating activities - continuing operations(3,313)(3,175)
Cash flows provided by (used in) investing activities:  
Investment in EnerTech0(500)
Restricted deposits(547)(1,182)
Release of restricted deposits842672
Loan to GridSense prior to acquisition0(200)
Proceeds from the sale of HangXing4920
Amounts funded for severance assets(145)(123)
Acquisitions of property and equipment(438)(5,592)
Acquisitions of license0(82)
Net cash provided by (used in) investing activities - continuing operations204(8,352)
Cash flows provided by (used in) financing activities:  
Proceeds from capital raise, net of transaction costs011,445
Issuance of shares to non-controlling interests in consolidated subsidiary02,383
Exercise of options and warrants193220
Short-term debt borrowings, net374341
Proceeds from borrowings of long-term debt760
Repayments of long-term debt(236)(65)
Other246
Net cash provided by financing activities - continuing operations43114,330
Discontinued operations:  
Operating cash flows0(5,548)
Investing cash flows0982
Financing cash flows0352
Net cash used in discontinued operations0(4,214)
Effect of exchange rate changes on cash and cash equivalents77142
Effect of exchange rate changes on cash and cash equivalents of discontinued operations066
Net decrease in cash and cash equivalents(2,601)(1,203)
Cash and cash equivalents at beginning of period7,35611,208
Cash and cash equivalents at end of period4,75510,005
A. Adjustments to reconcile net income to net cash used in operating activities:  
Depreciation and amortization1,534816
Exchange rate adjustment on amounts funded for severance assets net of exchange adjustment on accrued severance37(24)
Increase in liability for accrued severance190210
Amortization of stock-based deferred compensation410512
Deferred taxes(136)(26)
Gain on investment in GridSense0(1,327)
Gain on sale of HangXing(492)0
Other(1)(6)
Write-off of license740
Change in operating assets and liabilities:  
Increase in accounts receivable, unbilled work-in process, other current assets and other assets1,237(3,289)
Increase in inventory(2,233)(1,062)
Increase in accounts payable, accrued payroll, payroll taxes and social benefits, other current liabilities and other liabilities1,0552,408
Adjustments to reconcile net loss to net cash used in operating activities (see Schedule A):1,675(1,788)
B. Non-cash items:  
Adjustment of additional paid-in-capital and non-controlling interests from investment in CoaLogix by non-controlling interests 492
Adjustment of additional paid-in-capital and non-controlling from exercise of option by Acorn in USSI600176
Value of shares issued as compensation101 
Asset retirement obligations recorded in property and equipment, net139 
Intangibles acquired (see Note 6)750 
USSI [Member]
  
Assets/liabilities acquired in the acquisition:  
Other current assets (55)
Property and equipment (56)
Intangibles (2,565)
Goodwill (1,402)
Current liabilities 285
Prior year investment in USSI 200
Non-controlling interests 3,600
Acquisition of businesses 7
Gridsense [Member]
  
B. Non-cash items:  
Value of Acorn shares issued in the acquisition 1,867
Assets/liabilities acquired in the acquisition:  
Inventory (833)
Other current assets (482)
Property and equipment (71)
Other assets (370)
Intangibles (2,314)
Goodwill (3,655)
Current liabilities 2,003
Short-term and long-term debt 113
Gain on step-up of investment 1,327
Consideration paid 4,406
Less cash included in consideration paid (1,476)
Acquisition of businesses (1,352)
OMI [Member]
  
Assets/liabilities acquired in the acquisition:  
Other current assets (39)
Property and equipment (41)
Intangibles (322)
Current liabilities 402
Acquisition of businesses 0
Decision Dynamics [Member]
  
B. Non-cash items:  
Value of Acorn shares issued in the acquisition $ 5,640