v2.4.0.6
Note 9 - Fair Value Measurements (Tables)
3 Months Ended
Apr. 30, 2013
Fair Value, Assets Measured on Recurring Basis [Table Text Block]

Description

April 30,

2013

Quoted Prices

in Active

Markets for

(Level 1)

Significant Other

Observable

(Level 2)

Significant

Unobservable

(Level 3)

Derivative Liabilities

  $ 3,857   $ --   $ --   $ 3,857
 

April 30, 2013

Risk free interest rate

  1.16%

Average expected life (years)

7.24

Expected volatility

  109.72%

Expected dividends

None

 

April 30, 2013

Risk free interest rate

  0.17%

Average expected life (years)

  1.59

Expected volatility

  172.57%

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

April 30,
2013

                                 

Derivative liabilities

  $ 2,466   $ 624   $ 767   $ 3,857