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BALANCE SHEET DETAILS (Details) (USD $) | 12 Months Ended |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2010 item | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2012 ESA Cultural Investment (Hong Kong) limited
Inventories: |  |  |  |
Raw materials |  | $ 3,833,000 | $ 9,334,000 |
Work in process |  | 2,574,000 | 1,721,000 |
Finished goods |  | 19,621,000 | 23,207,000 |
Total Inventory |  | 26,028,000 | 34,262,000 |
Finished goods at customer sites |  | 14,400,000 | 13,200,000 |
Inventories held by manufacturing outsource partner |  | 100,000 | 400,000 |
Inventory write-down | 14,600,000 |  |  |
Number of international customer contracts | 2 |  |  |
Prepaids and other current assets |  |  |  |
Notes Receivable |  |  | 48,000 |
Prepaid-Tax |  | 8,517,000 | 14,762,000 |
Advance to Suppliers |  | 3,064,000 | 1,494,000 |
Deferred Taxes - Current |  | 3,493,000 | 1,499,000 |
Other Receivable |  | 9,890,000 | 6,251,000 |
Prepaid others |  | 2,190,000 | 5,188,000 |
Total Prepaids and other current assets |  | 27,154,000 | 29,242,000 |
Other receivables |  |  |  |
Proceeds from loan payments |  |  |  | 4,000,000
Loan receivable |  |  |  | $ 5,600,000
Interest rate of debt securities (as a percent) |  |  |  | 20.00%

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