Quarterly report pursuant to Section 13 or 15(d)

Business Combinations Business Combinations (Details Textuals)

v3.5.0.2
Business Combinations Business Combinations (Details Textuals) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 01, 2016
Apr. 28, 2016
Apr. 30, 2015
Oct. 31, 2014
Jun. 30, 2016
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Dec. 31, 2016
Mar. 31, 2015
Wireless Infrastructure Access Line Business of of Microsemi Storage Solutions, Inc. [Member]                    
Business Acquisition [Line Items]                    
Business Acquisition, Effective Date of Acquisition   Apr. 28, 2016                
Business Combination, Consideration Transferred   $ 21,000                
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual         $ 759          
Business Combination, Pro Forma Information, Gross Profit         373          
Business Combination Pro Forma Information Amortization of Inventory Step Up included in Consolidated Income Statement         541          
Wireless Infrastructure Backhaul Business of Broadcom Corporation [Member]                    
Business Acquisition [Line Items]                    
Business Acquisition, Effective Date of Acquisition Jul. 01, 2016                  
Business Combination, Consideration Transferred $ 80,000                  
Restructuring Costs         569 $ 569        
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual         759          
Business Combination, Pro Forma Information, Gross Profit         373          
Business Combination Pro Forma Information Amortization of Inventory Step Up included in Consolidated Income Statement         541          
Entropic Communications [Member]                    
Business Acquisition [Line Items]                    
Business Acquisition, Effective Date of Acquisition     Apr. 30, 2015              
Business Combination, Consideration Transferred     $ 289,400              
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable     173,800              
Business Combination, Consideration Transferred, Liabilities Incurred     4,500              
Payments to Acquire Businesses, Gross     $ 111,100              
Physpeed [Member]                    
Business Acquisition [Line Items]                    
Business Acquisition, Effective Date of Acquisition           Oct. 31, 2014        
Payments to Acquire Businesses, Gross       $ 9,250            
Physpeed Acquisition Related [Abstract]                    
Business Acquisition, Percentage of Voting Interests Acquired       100.00%            
Escrow Deposit       $ 1,100            
Continued Employment [Member] | Physpeed [Member]                    
Physpeed Acquisition Related [Abstract]                    
Business Combination, Contingent Consideration, Liability       1,700            
Business Combination, Additional Consideration, Quarterly Installments       200            
Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized       100   $ 50   $ 70    
Earn-out Consideration [Member] | Physpeed [Member]                    
Physpeed Acquisition Related [Abstract]                    
Business Combination, Contingent Consideration, Liability       300 265 265       $ 133
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High       $ 750            
Payment of Contingent Consideration           240 $ 0      
Scenario, Forecast [Member] | Earn-out Consideration [Member] | Physpeed [Member]                    
Physpeed Acquisition Related [Abstract]                    
Business Combination, Contingent Consideration Arrangements, Base Amount Multiplied by Revenue Percent                 $ 375  
Contingent Consideration [Member] | Fair Value, Measurements, Recurring [Member]                    
Physpeed Acquisition Related [Abstract]                    
Business Combination, Contingent Consideration, Liability, Noncurrent         265 265        
Physpeed, 2015 Restricted Stock Unit Plan [Member] | Physpeed [Member]                    
Physpeed Acquisition Related [Abstract]                    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition       14 months            
Physpeed, 2016 Restricted Stock Unit Plan [Member] | Physpeed [Member]                    
Physpeed Acquisition Related [Abstract]                    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition       26 months            
Restricted Stock Units (RSUs) [Member] | Physpeed [Member]                    
Physpeed Acquisition Related [Abstract]                    
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Accrued Compensation         $ 1,300 $ 1,300   $ 1,900