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CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Total Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS |  |
Total Investment | $ 8,232 | $ 19,521
Short-term investments | 479 |
Long-term investments | 7,753 | 19,521
Cost Method Investments |  |
CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS |  |
Total Investment | 3,499 | 5,593
Equity Method Investments |  |
CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS |  |
Total Investment | 2,554 | 8,228
AFS |  |
CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS |  |
Total Investment | 2,179 | 5,700
GCT Semiconductor, Inc. | Cost Method Investments |  |
CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS |  |
Total Investment |  | 811
UTStarcom Hong Kong Holdings Ltd | Cost Method Investments |  |
CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS |  |
Total Investment | 3,499 | 3,499
SBI | Cost Method Investments |  |
CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS |  |
Total Investment |  | 1,283
SBI | AFS |  |
CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS |  |
Total Investment | 479 |
Short-term investments | 479 |
ACELAND | Equity Method Investments |  |
CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS |  |
Total Investment | 2,554 | 1,109
Shareholder Loan to ACELAND | Equity Method Investments |  |
CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS |  |
Total Investment |  | 7,119
AioTV | AFS |  |
CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS |  |
Total Investment | $ 1,700 | $ 5,700

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- Definition Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26626-111562 + Details
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