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BALANCE SHEET DETAILS - Prepaid and Other Current Assets, Other Receivables (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Feb. 28, 2015 | Jan. 31, 2015 | Aug. 31, 2014 | Jul. 31, 2014 | Sep. 30, 2015 | Dec. 31, 2014 | Dec. 31, 2012 | Dec. 31, 2015
ESA Cultural Investment (Hong Kong) limited |  |  |  |  |  |  |  |
Other receivable |  |  |  |  |  |  |  |
Amount drawn |  |  |  |  |  |  | $ 4,000 |
Loans receivable, maximum borrowing amount |  |  |  |  |  |  | $ 5,600 |
Interest rate (as a percent) |  |  |  |  |  |  | 20.00% |
Percentage of loan receivable on extended maturity date |  |  |  |  |  |  | 50.00% |
Loan receivable on extended maturity date |  |  |  |  |  |  | $ 2,800 |
Proceeds from loan payments |  |  |  |  | $ 6,000 | $ 800 |  |
Proceeds from interest income |  |  |  |  | 1,100 |  |  |
ESA Cultural Investment (Hong Kong) limited | Other income (expense), net |  |  |  |  |  |  |  |
Other receivable |  |  |  |  |  |  |  |
Loan amount reserved due to collectability risk |  |  |  |  | $ 2,800 |  |  |
UiTV |  |  |  |  |  |  |  |
Other receivable |  |  |  |  |  |  |  |
Loans receivable |  |  |  |  |  |  |  | $ 2,300
Amount drawn | $ 1,170 | $ 1,170 | $ 1,080 | $ 1,080 |  |  |  |
Loan amount reserved due to collectability risk |  |  |  |  |  |  |  | $ 2,300

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