Quarterly report pursuant to Section 13 or 15(d)

Business Combinations (Details Textuals)

v3.7.0.1
Business Combinations (Details Textuals) - USD ($)
$ in Thousands
 3 Months Ended
Jul. 01, 2016
Apr. 28, 2016
Apr. 30, 2015
Oct. 31, 2014
Mar. 31, 2017
Mar. 31, 2016
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            
Wireless Infrastructure Backhaul Business of Broadcom Corporation [Member]                
Business Acquisition [Line Items]                
Goodwill, Acquired During Period         $ (342)      
Business Acquisition, Effective Date of Acquisition Jul. 01, 2016              
Business Combination, Consideration Transferred $ 80,000              
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       $ 9,000        
Physpeed Acquisition Related [Abstract]                
Business Acquisition, Percentage of Voting Interests Acquired       100.00%        
Cash [Member]                
Physpeed Acquisition Related [Abstract]                
Payment of Contingent Consideration         760      
Earn-out Consideration [Member] | Physpeed [Member]                
Physpeed Acquisition Related [Abstract]                
Business Combination, Contingent Consideration, Liability       $ 300 0     $ 241
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High       $ 750        
Business Combination, Contingent Consideration Arrangements, Base Amount Multiplied by Revenue Percent             $ 375  
Payment of Contingent Consideration         375 $ (240)    
Restricted Stock Units (RSUs) [Member]                
Physpeed Acquisition Related [Abstract]                
Payment of Contingent Consideration         860      
Restricted Stock Units (RSUs) [Member] | Physpeed [Member]                
Physpeed Acquisition Related [Abstract]                
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Accrued Compensation         $ 1,600