v2.4.0.8
Note 8 - Fair Value Measurements (Details) - Fair Value Measurements (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2014
Jan. 31, 2013
Note 8 - Fair Value Measurements (Details) - Fair Value Measurements [Line Items]    
Derivative Liabilties $ 2,520 $ 2,466
Fair Value, Inputs, Level 3 [Member]
   
Note 8 - Fair Value Measurements (Details) - Fair Value Measurements [Line Items]    
Derivative Liabilties $ 2,520