XML 31 R22.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 6 - Warrants (Tables)
3 Months Ended
Mar. 31, 2014
Warrants [Abstract]  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   

Number of

Shares

   

Price Range

 

Outstanding as of December 31, 2012

    8,390,741     0.125

1.00

 

Issued

    1,366,664       $0.55    

Exercised

          $—    

Expired

    (1,225,898

)

    $1.00    
                   

Outstanding as of March 31, 2013

    8,531,507     0.125

1.00

 
   

Number of

Shares

   

Price Range

 

Outstanding as of December 31, 2013

    10,618,771     0.125

1.00

 

Issued

    3,276,667       $0.30    

Exercised

          $—    

Expired

    (3,506,306 )   0.5

1.00

 
                   

Outstanding as of March 31, 2014

    10,389,132     0.125

1.00

 
Schedule of Assumptions Used to Determine Fair Value of Warrants [Table Text Block]
   

2013

   

2014

 

Risk free interest rate

   

%

    .11

%

Expected volatility

   

%

    171

%

Expected dividend yield

           

Forfeiture rate

           

Expected life in years

    2.5       .5