v2.4.0.8
Note 8 - Fair Value Measurements (Tables)
12 Months Ended
Jan. 31, 2014
Disclosure Text Block [Abstract]  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
           

Quoted Prices

                 
           

in Active

   

Significant Other

   

Significant

 
   

January 31,

   

Markets for

   

Observable

   

Unobservable

 

Description

 

2014

   

(Level 1)

   

(Level 2)

   

(Level 3)

 

Derivative Liabilties

  $ 2,520     $ -     $ -     $ 2,520  
Fair Value Assumptions [Table Text Block]

 

January 31, 2014

Risk free interest rate

0.09%

Average expected life (in years)

0.83

Expected volatility

54.17%

Expected dividends

None

 

January 31, 2014

Risk free interest rate

1.97%

Average expected life (in years)

6.49

Expected volatility

115.59%

Expected dividends

None

Change in Fair Value of Level 3 Financial Instruments [Table Text Block]
                   

Change in estimated

         
           

Recorded new

   

fair value recognized

         
   

February 1,

   

Derivative

   

in results of

   

January 31,

 

Description

 

2013

   

Liabilities

   

operations

   

2014

 
                                 

Broadwood warrants

  $ 2,466     $ -     $ (40 )   $ 2,426  

Elkhorn conversion features

    0       624       (530 )     94  
    $ 2,466     $ 624     $ (570 )   $ 2,520