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CASH, CASH EQUIVALENTS AND INVESTMENTS (Details) (USD $) | 12 Months Ended | 0 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 Months Ended | 3 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 03, 2012 iTV Media Inc. Convertible Bond | Dec. 31, 2013 Cost Method | Dec. 31, 2012 Cost Method | Dec. 31, 2013 Cost Method Cortina | Dec. 31, 2012 Cost Method Cortina | Dec. 31, 2013 Cost Method GCT SemiConductor, Inc. | Dec. 31, 2012 Cost Method GCT SemiConductor, Inc. | Dec. 31, 2013 Cost Method Xalted Networks | Dec. 31, 2012 Cost Method Xalted Networks | Dec. 31, 2013 Cost Method SBI | Dec. 31, 2012 Cost Method SBI | Dec. 31, 2012 Cost Method iTV Media Inc. | Dec. 31, 2013 Equity Method | Dec. 31, 2012 Equity Method | Dec. 31, 2013 Equity Method iTV Media Inc. | Jan. 02, 2013 Equity Method iTV Media Inc. Convertible Bond | Dec. 31, 2013 Equity Method iTV Media Inc. Convertible Bond | Jun. 30, 2013 Equity Method iTV Media Inc. Convertible Bond | Dec. 31, 2013 Equity Method ACELAND | Dec. 31, 2012 Equity Method ACELAND | Dec. 31, 2012 Equity Method Beijing Bodashutong Technology | Dec. 31, 2013 Equity Method Shareholder Loan to ACELAND | Dec. 31, 2012 Equity Method Shareholder Loan to ACELAND | Dec. 31, 2013 Available for sale | Dec. 31, 2012 Available for sale | Dec. 31, 2013 Available for sale iTV Media Inc. | Dec. 31, 2012 Available for sale iTV Media Inc. | Dec. 31, 2013 Available for sale AioTV | Dec. 31, 2012 Available for sale AioTV | Dec. 31, 2013 Available for sale UTStarcom Hong Kong Holdings Ltd. | Dec. 31, 2012 Available for sale UTStarcom Hong Kong Holdings Ltd. | Dec. 31, 2013 Minimum | Dec. 31, 2013 Maximum | Dec. 31, 2013 China Minimum | Dec. 31, 2013 China Maximum
CASH, CASH EQUIVALENTS AND INVESTMENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank notes | $ 0 | $ 296,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity period of bank notes receivable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 months | 1 year | 3 months | 6 months
Sale of bank notes | 0 | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term investments | 74,588,000 | 62,443,000 |  |  | 6,081,000 | 21,638,000 | 3,348,000 | 3,348,000 | 811,000 | 811,000 | 22,000 | 279,000 | 1,900,000 | 2,306,000 | 14,894,000 | 14,536,000 | 9,805,000 | 5,308,000 |  |  |  | 2,109,000 | 2,109,000 | 577,000 | 7,119,000 | 7,119,000 | 53,971,000 | 31,000,000 | 25,971,000 | 3,000,000 | 8,000,000 | 8,000,000 | 20,000,000 | 20,000,000 |  |  |  |
Principal amount of consideration received |  |  |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,000,000 | $ 12,100,000 | $ 15,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of other investments not classified as trading, available-for-sale or held-to-maturity, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 2 -Article 5 + Details
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- Definition The value of the noncash (or part noncash) consideration received in a transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of a transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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