Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Fair Value, Level 3 Rollforward (Details)

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Basis of Presentation and Summary of Significant Accounting Policies - Fair Value, Level 3 Rollforward (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2016
USD ($)
Earn-out liability  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance $ 9,652
Change in value (5,490)
Ending balance 4,162
Contingently issuable shares  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance 0
Fair value of contingently issuable shares associated with sound recording litigation settlement 6,417
Change in value (141)
Ending balance $ 6,276