XML 23 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6
Goodwill and Other Intangible Assets (Details 1) (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2012
Jan. 31, 2012
Amortization expense related to amortizable intangible assets    
2013 $ 172  
2014 673  
2015 673  
2016 673  
2017 673  
2018 and thereafter 1,321  
Total $ 4,185 $ 4,696