XML 45 R61.htm IDEA: XBRL DOCUMENT v2.4.0.8
Long-Term Debt (Detail) (USD $)
Jan. 31, 2014
Jan. 31, 2013
Jan. 31, 2014
10% Senior Subordinated Convertible Notes due January 31, 2016
Jan. 31, 2013
10% Senior Subordinated Convertible Notes due January 31, 2016
Oct. 16, 2009
10% Senior Subordinated Convertible Notes due January 31, 2016
Jan. 31, 2014
9% Senior Subordinated Convertible Notes due February 15, 2016
Jan. 31, 2013
9% Senior Subordinated Convertible Notes due February 15, 2016
Jan. 31, 2014
8% Senior Subordinated Convertible Notes due February 1, 2015
Jan. 31, 2013
8% Senior Subordinated Convertible Notes due February 1, 2015
Sep. 01, 2011
8% Senior Subordinated Convertible Notes due February 1, 2015
Debt Instrument [Line Items]                    
Convertible Notes $ 1,100,522 $ 1,909,714 $ 0 $ 1,066,611 $ 1,250,000 $ 950,522 $ 693,103 $ 150,000 $ 150,000 $ 150,000
Less: Current Portion 0 0                
Long Term Portion $ 1,100,522 $ 1,909,714