Annual report pursuant to Section 13 and 15(d)

Intangible Assets and Goodwill Amortization expense (Details)

v3.19.1
Intangible Assets and Goodwill Amortization expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]      
Amortization of purchased intangibles $ 1,928 $ 2,101 $ 2,142
Cost of revenues      
Finite-Lived Intangible Assets [Line Items]      
Amortization of purchased intangibles 1,024 1,197 1,251
Operating expenses      
Finite-Lived Intangible Assets [Line Items]      
Amortization of purchased intangibles $ 904 $ 904 $ 891