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Discontinued Operations - Schedule of Financial Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Revenues | $ 942 | $ 4,402 | $ 7,618 | $ 12,217
Gross profit (loss) | 524 | 1,823 | 2,937 | 4,734
Net income (loss) | 590 | (2,633) | (93) | (8,743)
Net loss attributable to acorn energy inc. | 652 | (2,756) | 113 | (8,674)
GridSense [Member] | Discontinued Operations [Member] |  |  |  |
Revenues | 5 | 374 | 212 | 1,984
Gross profit (loss) | 5 | (392) | 28 | (119)
Net income (loss) | $ 1,187 | (1,584) | $ (423) | (3,478)
U.S. Seismic Systems, Inc [Member] | Discontinued Operations [Member] |  |  |  |
Revenues |  | 84 |  | 163
Gross profit (loss) |  | 18 |  | (68)
Net income (loss) |  | 609 |  | (772)
Loss on deconsolidation |  | (401) |  | (401)
Net loss attributable to non-controlling interests |  | (78) |  | 98
Net loss attributable to acorn energy inc. |  | $ 130 |  | $ (1,075)

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