Quarterly report pursuant to Section 13 or 15(d)

Internally Developed Software (Details)

v2.4.0.6
Internally Developed Software (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Components of internally developed software    
Internally developed software, Estimated Useful Life 5 years  
Internally developed software $ 13,997 $ 13,232
Less accumulated amortization (9,319) (8,908)
Internally developed software, net $ 4,678 $ 4,324