Annual report pursuant to Section 13 and 15(d)

Intangible Assets and Goodwill Amortization expense (Details)

v3.3.1.900
Intangible Assets and Goodwill Amortization expense (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]                      
Amortization of purchased intangibles $ 199,000 $ 200,000 $ 200,000 $ 199,000 $ 182,000 $ 157,000 $ 156,000 $ 157,000 $ 798,000 $ 652,000 $ 627,000
Cost of revenues                      
Finite-Lived Intangible Assets [Line Items]                      
Amortization of purchased intangibles                 1,268,000 650,000 560,000
Amortization of purchased intangibles                      
Finite-Lived Intangible Assets [Line Items]                      
Amortization of purchased intangibles                 $ 798,000 $ 652,000 $ 627,000