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Mergers and Acquisitions - Additional information (Detail) (USD $) | 12 Months Ended |
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Dec. 31, 2012 Right | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2012 Gaiam Vivendi Entertainment | Dec. 31, 2011 Gaiam Vivendi Entertainment | Mar. 28, 2012 Gaiam Vivendi Entertainment
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Voting equity interests of Vivendi Entertainment |  |  |  |  |  |  |  | 100.00%
Total consideration to be transferred |  |  |  |  |  | $ 32,100,000 |  |
Consideration to be transferred in cash | 13,400,000 |  |  |  |  |  |  |
Consideration to be transferred by non interest promissory note | 18,700,000 |  |  |  |  |  |  |
Maturity period of promissory note |  |  |  |  |  | 90 days |  |
Acquisition-related costs | 1,667,000 | [1] | 2,393,000 | [1] |  | 1,700,000 |  |
Collection period of pre closing accounts |  |  |  |  |  | 90 days |  |
Media Titles | 3,000 |  |  |  |  |  |  |
Gross contractual amount receivable |  |  |  |  |  |  |  | 44,000,000
Estimated fair value of receivables |  |  |  |  |  |  |  | 25,100,000
The best estimate of the contractual cash flows not expected to be collected |  |  |  |  |  |  |  | 18,900,000
Useful lives assigned to acquired other intangibles |  |  |  |  |  | 5 years |  |
Net revenue | 19,900,000 |  |  |  |  |  |  |
Net Income | 3,600,000 |  |  |  |  |  |  |
Pro forma net income (loss) adjusted |  |  |  |  |  | 2,200,000 | 2,700,000 |
Gain recognized, representing investment's estimated fair value immediately before acquiring control |  |  |  |  | $ 977,000 |  |  |
[1] | RSOL was deconsolidated and accounted for as an equity method investment effective December 31, 2011. Consequently, RSOL is reported as an equity method investment for the year ended December 31, 2012 and as a consolidated subsidiary for the years ended December 31, 2011 and 2010.

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