Quarterly report pursuant to Section 13 or 15(d)

Significant Customer and Geographic Information Significant Customer and Geographic Information (Details)

v3.4.0.3
Significant Customer and Geographic Information Significant Customer and Geographic Information (Details)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Net Revenue [Member] | Customer Concentration Risk [Member] | Arris Corporation [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 24.00% 29.00%
Net Revenue [Member] | Customer Concentration Risk [Member] | Cisco [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 18.00% 14.00%
Net Revenue [Member] | Customer Concentration Risk [Member] | WNC Corporation    
Concentration Risk [Line Items]    
Concentration risk percentage 14.00%  
Net Revenue [Member] | Geographic Concentration Risk [Member] | China [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 81.00% 71.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | WNC Corporation    
Concentration Risk [Line Items]    
Concentration risk percentage 19.00% 16.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Petragon Corporation [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 16.00% 17.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Sernet Technologies Corporation    
Concentration Risk [Line Items]    
Concentration risk percentage 13.00% 14.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | MTI Jupiter Technologies    
Concentration Risk [Line Items]    
Concentration risk percentage   13.00%