XML 29 R26.htm IDEA: XBRL DOCUMENT v2.4.0.8
Non-controlling Interest (Detail) (USD $)
6 Months Ended
Jul. 31, 2013
Jul. 31, 2012
Noncontrolling Interest [Line Items]    
Balance as of January 31, 2013 $ (36,503)  
Stock-based compensation 6,350  
Distributions to non-controlling interest shareholder (240,000) (100,000)
Balance as of July 31, 2013 $ (270,153)