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CONDENSED COMBINED AND CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Optimization Revenues - Affiliates | $ (67) | $ 197 | $ 1,862 | $ 1,821
Retail cost of revenues | 42,120 | 52,387 | 111,207 | 140,508
General and Administrative Expense - Affiliates | 12,978 | 9,747 | 27,683 | 17,860
Affiliated Entity |  |  |  |
Retail Revenues - Affiliates | 0 | 681 | 0 | 2,170
Optimization Revenues - Affiliates | 176 | 4,634 | 665 | 7,134
Optimization Cost of Revenues - Affiliates | 3,114 | 10,654 | 6,207 | 18,554
Retail cost of revenues | 100 | 100 | 100 | 100
General and Administrative Expense - Affiliates | $ 0 | $ 6,000 | $ 0 | $ 12,000

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