v2.4.0.6
Note 8 - Fair Value Measurements (Tables)
12 Months Ended
Jan. 31, 2013
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Description
 
January 31,
2013
   
Quoted Prices
in Active Markets for
(Level 1)
   
Significant Other Observable
(Level 2)
   
Significant
Unobservable
(Level 3)
 
Derivative Liabilities
 
$
2,466
   
$
--
   
$
--
   
$
2,466
 
 
January 31, 2013
Risk free interest rate
1.48%
Average expected life (years)
7.49
Expected volatility
107.49%
Expected dividends
None
Change in Fair Value of Level 3 Financial Instruments [Table Text Block]
   
July 31,
2012
   
Recorded New Derivative
Liabilities
   
Change in estimated fair value recognized in results of operations
    January 31, 2013  
                         
Derivative liabilities
  $ 1,365     $     $ 1,101     $ 2,466