Quarterly report pursuant to Section 13 or 15(d)

Significant Customer and Geographic Information (Details)

v3.7.0.1
Significant Customer and Geographic Information (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Concentration Risk [Line Items]      
Long lived assets $ 194,514   $ 200,825
Revenue, Net 88,841 $ 102,685  
Asia [Member]      
Concentration Risk [Line Items]      
Revenue, Net 84,332 96,979  
UNITED STATES      
Concentration Risk [Line Items]      
Long lived assets 108,158   111,336
Revenue, Net 145 2,948  
Rest of World [Member]      
Concentration Risk [Line Items]      
Long lived assets 2,358   11,171
Revenue, Net 4,364 $ 2,758  
SINGAPORE      
Concentration Risk [Line Items]      
Long lived assets $ 83,998   $ 78,318
Long lived assets [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Benchmark Description 1   1
Long lived assets [Member] | UNITED STATES      
Concentration Risk [Line Items]      
Concentration Risk, Benchmark Description 0.56   0.55
Long lived assets [Member] | Rest of World [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Benchmark Description 0.01   0.06
Long lived assets [Member] | SINGAPORE      
Concentration Risk [Line Items]      
Concentration Risk, Benchmark Description 0.43   0.39
Net Revenue [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 100.00% 100.00%  
Net Revenue [Member] | Asia [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 95.00% 94.00%  
Net Revenue [Member] | UNITED STATES      
Concentration Risk [Line Items]      
Concentration risk percentage 0.00% 3.00%  
Net Revenue [Member] | Rest of World [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 5.00% 3.00%  
Net Revenue [Member] | Customer Concentration Risk [Member] | Arris Corporation [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 31.00% 24.00%  
Net Revenue [Member] | Customer Concentration Risk [Member] | Cisco      
Concentration Risk [Line Items]      
Concentration risk percentage   14.00%  
Net Revenue [Member] | Customer Concentration Risk [Member] | Cisco [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage   18.00%  
Net Revenue [Member] | Geographic Concentration Risk [Member] | China [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 78.00% 81.00%  
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Pegatron Corporation [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 21.00%   17.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Cisco      
Concentration Risk [Line Items]      
Concentration risk percentage     12.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Sernet Technologies Corporation [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 12.00%   15.00%
United Microelectronics Corporation [Member] | Supplier Concentration Risk [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 21.00% 14.00%  
Taiwan Semiconductor Manufacturing Company [Member] | Supplier Concentration Risk [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 19.00%    
Globalfoundries [Member] | Supplier Concentration Risk [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 17.00% 20.00%  
Semiconductor Manufacturing International [Member] | Supplier Concentration Risk [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 15.00% 13.00%  
Advanced Semiconductor Engineering [Member] | Supplier Concentration Risk [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 12.00% 11.00%  
Tower-Jazz Semiconductor [Member] | Supplier Concentration Risk [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage   18.00%