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Derivative Instruments - Derivative Instruments Location and Amount (Details) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
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Derivatives not designated as hedging instruments under ASC 815 |  |
RMB warrants in long-term liabilities | $ 1,138 |
Ely Investment warrants in current other assets |  | 74
ILC warrants in current other assets |  | $ 4

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- Details
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- Definition No authoritative reference available. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition No authoritative reference available. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition No authoritative reference available. + References No definition available. + Details
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