Annual report pursuant to section 13 and 15(d)

Employee Benefit Plans (Details Textual)

v2.4.0.6
Employee Benefit Plans (Details Textual) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Employee Benefit Plans (Textual) [Abstract]    
Employee contributions $ 0.1 $ 0.2