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Income Taxes (Details 1) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017
Current |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | $ (18,194) | $ 348
State and local |  |  |  |  |  |  |  |  | 314 | 245
Foreign |  |  |  |  |  |  |  |  | 1,413 | 472
Total current |  |  |  |  |  |  |  |  | (16,467) | 1,065
Deferred |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | (470) | (9,886)
State and local |  |  |  |  |  |  |  |  | (181) | (747)
Foreign |  |  |  |  |  |  |  |  | (994) | (326)
Total deferred |  |  |  |  |  |  |  |  | (1,645) | (10,959)
Total income tax benefit |  |  |  |  |  |  |  |  | (18,112) | (9,894)
Results of operation, income before income taxes |  |  |  |  |  |  |  |  |  |
United States |  |  |  |  |  |  |  |  | (4,873) | (49,731)
Foreign |  |  |  |  |  |  |  |  | 4,311 | (2,023)
Loss before income taxes | $ (5,673) | $ (11,421) | $ (7,318) | $ 23,849 | $ (35,942) | $ (2,098) | $ (4,852) | $ (8,862) | $ (562) | $ (51,754)

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