PROPERTY, EQUIPMENT AND SOFTWARE, NET (Schedule of Property, Equipment and Software, Net) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
PROPERTY, EQUIPMENT AND SOFTWARE, NET [Line Items]    
Property, equipment and software, gross $ 72,200 $ 43,669
Less: accumulated depreciation (16,453) (15,932)
Less: impairment loss (1,607) (1,613)
Property equipment and software, net 54,140 26,124
Equipment and office furniture [Member]    
PROPERTY, EQUIPMENT AND SOFTWARE, NET [Line Items]    
Property, equipment and software, gross 11,282 11,436
Property under capital lease [Member]    
PROPERTY, EQUIPMENT AND SOFTWARE, NET [Line Items]    
Property, equipment and software, gross 1,633 1,639
Leasehold improvements [Member]    
PROPERTY, EQUIPMENT AND SOFTWARE, NET [Line Items]    
Property, equipment and software, gross 3,454 3,438
Mask and tooling [Member]    
PROPERTY, EQUIPMENT AND SOFTWARE, NET [Line Items]    
Property, equipment and software, gross 1,892 761
Motor vehicles [Member]    
PROPERTY, EQUIPMENT AND SOFTWARE, NET [Line Items]    
Property, equipment and software, gross 1,616 1,511
Purchased software [Member]    
PROPERTY, EQUIPMENT AND SOFTWARE, NET [Line Items]    
Property, equipment and software, gross 3,461 3,457
Construction in progress [Member]    
PROPERTY, EQUIPMENT AND SOFTWARE, NET [Line Items]    
Property, equipment and software, gross $ 48,862 $ 21,427