v2.4.0.8
Note 10 - Fair Value Measurements (Tables)
9 Months Ended
Oct. 31, 2013
Disclosure Text Block [Abstract]  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]

Description

 

October 31,

2013

   

Quoted Prices

in Active

Markets for

(Level 1)

   

Significant Other Observable

(Level 2)

   

Significant

Unobservable

(Level 3)

 

Derivative Liabilities

  $ 2,819     $ --     $ --     $ 2,819  
   

October 31, 2013

   

Risk free interest rate

    1.87%    

Average expected life (in years)

    6.74    

Expected volatility

    113.59%    

Expected dividends

    None    
   

October 31, 2013

   

Risk free interest rate

    0.12%    

Average expected life (in years)

    1.08    

Expected volatility

    72.43%    

Expected dividends

    None    
Change in Fair Value of Level 3 Financial Instruments [Table Text Block]
   

January 31,
2013

   

Recorded New Derivative
Liabilities

   

Change in estimated

fair value recognized

in results of

operations

   

October 31,
2013

 
                         

Derivative liabilities

  $ 2,466     $ 624     $ (271 )   $ 2,819  
   

January 31,
2012

   

Recorded New Derivative
Liabilities

   

Change in estimated

fair value recognized

in results of

operations

   

October 31,
2012

 
                         

Derivative liabilities

  $     $ 1,365     $ 389     $ 1,754