Annual report pursuant to Section 13 and 15(d)

Intangible Assets and Goodwill Amortization expense (Details)

v3.7.0.1
Intangible Assets and Goodwill Amortization expense (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]                      
Amortization of purchased intangibles $ 217 $ 221 $ 227 $ 226 $ 199 $ 200 $ 200 $ 199 $ 891 $ 798 $ 652
Amortization of intangible assets                 2,142 2,066 1,302
Cost of revenues                      
Finite-Lived Intangible Assets [Line Items]                      
Amortization of purchased intangibles                 1,251 1,268 650
Operating expenses                      
Finite-Lived Intangible Assets [Line Items]                      
Amortization of purchased intangibles                 $ 891 $ 798 $ 652