Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.7.0.1
Fair Value Measurements (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Nonrecurring [Member]    
Assets [Abstract]    
Licensed technology (net) $ 8,181 $ 8,384
Goodwill 32,466 32,466
Nonrecurring [Member] | Licensed Technology [Member]    
Liabilities [Abstract]    
Total gains (losses) 0 0
Nonrecurring [Member] | Goodwill [Member]    
Liabilities [Abstract]    
Total gains (losses) 0 0
Nonrecurring [Member] | Level 1 [Member]    
Assets [Abstract]    
Licensed technology (net) 0 0
Goodwill 0 0
Nonrecurring [Member] | Level 2 [Member]    
Assets [Abstract]    
Licensed technology (net) 0 0
Goodwill 0 0
Nonrecurring [Member] | Level 3 [Member]    
Assets [Abstract]    
Licensed technology (net) 8,181 8,384
Goodwill $ 32,466 32,466
Recurring [Member]    
Liabilities [Abstract]    
Contingent consideration   0
Recurring [Member] | Contingent Consideration [Member]    
Liabilities [Abstract]    
Total gains (losses)   1,391
Recurring [Member] | Level 1 [Member]    
Liabilities [Abstract]    
Contingent consideration   0
Recurring [Member] | Level 2 [Member]    
Liabilities [Abstract]    
Contingent consideration   0
Recurring [Member] | Level 3 [Member]    
Liabilities [Abstract]    
Contingent consideration   $ 0