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CASH, CASH EQUIVALENTS AND INVESTMENTS (Details 4) (USD $) | 12 Months Ended |  | 3 Months Ended | 12 Months Ended |  | 12 Months Ended | 0 Months Ended | 12 Months Ended |  | 0 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Convertible Bond | Jun. 30, 2013 IPTV operations | Dec. 31, 2012 IPTV operations | Aug. 31, 2012 IPTV operations | Dec. 31, 2013 AioTV | Nov. 30, 2012 AioTV Series B preferred stock | Dec. 31, 2012 UTStarcom Hong Kong Holdings Ltd. IPTV operations | Aug. 31, 2012 UTStarcom Hong Kong Holdings Ltd. IPTV operations Convertible Bond | Aug. 31, 2012 UTStarcom Hong Kong Holdings Ltd. UTStarcom Hong Kong Ltd. Convertible Bond | Dec. 31, 2013 UTStarcom Hong Kong Holdings Ltd. UTStarcom Hong Kong Ltd. Convertible Bond | Dec. 31, 2013 UTStarcom Hong Kong Holdings Ltd. UTStarcom Hong Kong Ltd. Convertible Bond Binomial-Model | Dec. 31, 2013 UTStarcom Hong Kong Holdings Ltd. UTStarcom Hong Kong Ltd. Convertible Bond Discounted cash flow model | Dec. 31, 2013 Minimum UTStarcom Hong Kong Holdings Ltd. UTStarcom Hong Kong Ltd. Convertible Bond | Dec. 31, 2013 Maximum UTStarcom Hong Kong Holdings Ltd. UTStarcom Hong Kong Ltd. Convertible Bond
CASH, CASH EQUIVALENTS AND INVESTMENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire available-for-sale equity securities |  |  |  |  |  |  |  |  | $ 8,000,000 |  |  |  |  |  |  |  |
Per share price of investment | $ 2.77 |  |  |  |  |  |  |  | $ 0.320937 |  |  |  |  |  |  |  |
Equity method investment, ownership interest (as a percent) |  |  |  |  |  |  |  | 44.00% |  |  |  |  |  |  |  |  |
Impairment charge | 9,400,000 | 3,043,000 | 476,000 |  |  |  |  | 0 |  |  |  |  |  |  |  |  |
Amount of consideration paid by the Company upon divestiture |  |  |  |  |  |  | 30,000,000 |  |  |  |  |  |  |  |  |  |
Loss recorded on divestiture | 1,307,000 | 16,239,000 | (4,546,000) |  | (100,000) | 17,500,000 |  |  |  | 17,500,000 |  |  |  |  |  |  |
Principal amount of consideration received |  |  |  |  |  |  |  |  |  |  | 20,000,000 |  |  |  |  |  |
Interest rate of debt securities (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 6.50% | 6.50% |  |  |  |
Principal amount of debt securities to be converted if P&L run-rate break-even is achieved on or prior to the Maturity Date |  |  |  |  |  |  |  |  |  |  |  |  | 5,000,000 |  |  |  |
Percentage of outstanding shares to be issued on conversion if operating income break-even is achieved on or prior to the Maturity Date |  |  |  |  |  |  |  |  |  |  |  |  | 8.00% |  |  |  |
Fair Value |  |  |  | 20,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of outstanding shares to be issued on conversion at the Maturity Date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25.00% | 33.00%
Fair value of securities | 53,971,000 |  |  | 45,971,000 |  |  |  |  |  |  |  |  | 20,000,000 |  |  |  |
Significant inputs for the valuation model used to estimate fair value of investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total fair value of Invested capital as at valuation date |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 38,000,000 |  |  |
Risk-free interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.99% |  |  |
Dividend Yield (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.00% | 3.00% |  |
Volatility rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  | 62.00% |  |  |
Discount rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 37.00% |  |
Estimated debt to equity ratio |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |

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- Definition Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Convertible Security -URI http://asc.fasb.org/extlink&oid=6509036 + Details
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- Definition Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e25351-111560 + Details
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- Definition The cash outflow to acquire equity securities classified as available-for-sale securities, because they are not classified as trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 + Details
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