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CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net Loss Attributable to Acorn Energy, Inc. Shareholders	$ (16,711)	$ 35,409	$ (25,088)
Foreign currency translation adjustments	235	(168)	871
Comprehensive Income (Loss)	(16,476)	35,241	(24,217)
Comprehensive loss attributable to non-controlling interests	4	(16)	0
Comprehensive income (loss) attributable to Acorn Energy, Inc. shareholders	(16,472)	35,225	(24,217)
Accumulated Other Comprehensive Income (Loss) [Member]
Foreign currency translation adjustments	231	(152)	871
Non-controlling Interests [Member]
Foreign currency translation adjustments		$ (16)	$ 0

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