Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.4.0.6
Fair Value Measurements (Details) (Level 1 [Member], USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Level 1 [Member]
   
Fair Value Measurements (Textual) [Abstract]    
Money market funds $ 16,392 $ 20,682