XML 38 R13.htm IDEA: XBRL DOCUMENT v2.4.0.6
Contingencies
3 Months Ended
Mar. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Contingencies
(6) Contingencies
As of March 31, 2013 there were no material litigation matters that we consider to be probable or reasonably estimable.