Consolidated Statements of Operations (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Service costs $ 434 $ 1,981 $ 3,484
Sales and marketing   945 1,228
General and administrative     16
Total $ 434 [1] $ 2,926 [1] $ 4,728 [1]
[1] Components of amortization of intangible assets from acquisitions: