Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Details 3)

v3.7.0.1
Financial Instruments (Details 3) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Oct. 31, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Net Gain (Loss) Attributable To Contingent Consideration $ 0 $ (86)    
Physpeed [Member] | Earn-out Consideration [Member]        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Payment of Contingent Consideration 375 (240)    
Business Combination, Contingent Consideration, Liability 0   $ 241 $ 300
Estimate of Fair Value Measurement [Member] | Fair Value, Measurements, Recurring [Member] | Contingent Consideration [Member]        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value 375 395    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings $ 0 $ 86