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BALANCE SHEET DETAILS (Schedule of Property, Plant and Equipment, Net) (Details 2) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]      
Total $ 54,633 $ 59,872  
Less: accumulated depreciation (53,123) (56,835)  
Total Property, plant and equipment, net 1,510 3,037  
Write off of fully depreciated property, plant and equipment 2,800 7,300 $ 41,700
Accumulated depreciation related to write off of fully depreciated property, plant and equipment 2,800 7,300 41,700
Hangzhou Facility [Member]      
Property, Plant and Equipment [Line Items]      
Accelerated depreciation     1,700
Leasehold Improvements [Member]      
Property, Plant and Equipment [Line Items]      
Total 4,902 5,290  
Leasehold Improvements [Member] | Hangzhou Facility [Member]      
Property, Plant and Equipment [Line Items]      
Accelerated depreciation 100 200  
Accelerated amortization due to early termination     $ 300
Automobiles [Member]      
Property, Plant and Equipment [Line Items]      
Total 1,748 2,077  
Software [Member]      
Property, Plant and Equipment [Line Items]      
Total 5,151 6,505  
Computer Equipment and Furniture [Member]      
Property, Plant and Equipment [Line Items]      
Total 42,786 45,981  
Others [Member]      
Property, Plant and Equipment [Line Items]      
Total $ 46 $ 19