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Condensed Consolidated Statement of Changes In Equity (Unaudited) - 3 months ended Mar. 31, 2016 - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-In Capital [Member] | Warrants [Member] | Accumulated Deficit [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Total Acorn Energy, Inc. Shareholders' Equity (Deficit) [Member] | Non-Controlling Interest [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2015 | $ 281 | $ 98,977 | $ 1,597 | $ (97,191) | $ (3,036) | $ (262) | $ 366 | $ 1,292 | $ 1,658
Balances, shares at Dec. 31, 2015 | 28,128 |  |  |  |  |  |  |  |
Net loss |  |  |  | $ (2,975) |  |  | (2,975) | (51) | (3,026)
Differences from translation of subsidiaries' financial statements |  |  |  |  |  | $ 18 | $ 18 | 1 | 19
Accrued dividend in OmniMetrix preferred shares |  |  |  |  |  |  |  | $ (25) | $ (25)
Warrants issued |  | $ (3) | $ 3 |  |  |  |  |  |
Stock option compensation |  | 220 |  |  |  |  | $ 220 |  | $ 220
Balances at Mar. 31, 2016 | $ 281 | $ 99,194 | $ 1,600 | $ (100,166) | $ (3,036) | $ (244) | $ (2,371) | $ (1,217) | $ (1,154)
Balances, shares at Mar. 31, 2016 | 28,128 |  |  |  |  |  |  |  |

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