Annual report pursuant to Section 13 and 15(d)

Intangible Assets and Goodwill Changes In Intangible Assets (Details)

v3.19.1
Intangible Assets and Goodwill Changes In Intangible Assets (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
Original cost 15,021 15,337  
Accumulated amortization (10,774) (9,042)  
Net identifiable intangible assets 4,247 6,295  
Customer relationships      
Finite-Lived Intangible Assets [Line Items]      
Original cost 4,818 4,928  
Accumulated amortization (2,721) (2,194)  
Net identifiable intangible assets 2,097 2,734  
Developed technology      
Finite-Lived Intangible Assets [Line Items]      
Original cost 8,023 8,225  
Accumulated amortization (7,110) (6,043)  
Net identifiable intangible assets 913 2,182  
Trademarks / trade names      
Finite-Lived Intangible Assets [Line Items]      
Original cost 2,180 2,184  
Accumulated amortization (943) (805)  
Net identifiable intangible assets $ 1,237 $ 1,379