v2.4.0.8
Note 9 - Fair Value Measurements (Tables)
3 Months Ended
Apr. 30, 2014
Disclosure Text Block [Abstract]  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]

Description

 

April 30,

2014

   

Quoted Prices

in Active

Markets for

(Level 1)

   

Significant Other

Observable

(Level 2)

   

Significant

Unobservable

(Level 3)

 

Derivative Liabilties

  $ 3,525     $ -     $ -     $ 3,525  
Fair Value Assumptions [Table Text Block]
   

April 30, 2014

 

Risk free interest rate

  2.04%  

Average expected life (years)

 

6.24

 

Expected volatility

  120.03%  

Expected dividends

 

None

 
   

April 30, 2014

 

Risk free interest rate

  0.06%  

Average expected life (years)

 

0.59

 

Expected volatility

  82.31%  

Expected dividends

 

None

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

Description

 

February 1,

2014

   

Recorded new

Derivative

Liabilities

   

Change in estimated

fair value recognized

in results of

operations

   

April 30,

2014

 
                                 

Broadwood warrants

  $ 2,426     $ -     $ 799     $ 3,225  

Elkhorn conversion features

    94       0       206       300  
    $ 2,520     $ -     $ 1,005     $ 3,525  
   

February 1,
2013

   

Recorded New

Derivative
Liabilities

   

Change in estimated

fair value recognized

in results of

operations

   

April 30,
2013

 
                                 

Derivative liabilities

  $ 2,466     $ 624     $ 767     $ 3,857