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Investment in Marketable Securities - RealD, Inc. (Tables) | 9 Months Ended
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Sep. 30, 2013
Summary of Changes in Investment in RealD | Below is a summary of changes in the Company’s investment in RealD for the nine months ended September 30, 2013:
|  | Investment in RealD |
Balance as of January 1, 2013 |  | $ | 13,707 |
Unrealized holding loss |  |  | (5,148 | )
Balance as of September 30, 2013 |  | $ | 8,559 |

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- Definition Tabular disclosure of investments in RealD activity + References No definition available. + Details
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