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Investment in Marketable Securities - RealD, Inc. (Tables) | 12 Months Ended
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Dec. 31, 2013
Rollforward of Investment in RealD | Below is a rollforward of the Company’s investment in RealD from January 2011 through December 31, 2013:
Balance as of January 1, 2011 |  | $ | 27,993 |
Fair value of options earned |  |  | 3,402 |
Exercise of options at $0.00667 per share |  |  | 8 |
Unrealized holding loss |  |  | (21,694 | )
Balance as of December 31, 2011 |  | $ | 9,709 |
Unrealized holding gain |  |  | 3,998 |
Balance as of December 31, 2012 |  | $ | 13,707 |
Unrealized holding loss |  |  | (3,264 | )
Balance as of December 31, 2013 (1) |  | $ | 10,443 |
(1) | Investment in RealD is included in investments in and advances to affiliates on the consolidated balance sheets.

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- Definition Tabular disclosure of changes in investment in RealD value. + References No definition available. + Details
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