XML 43 R28.htm IDEA: XBRL DOCUMENT v2.4.0.6
Warrants and Derivative Liability (Tables)
12 Months Ended
Dec. 31, 2011
Warrants to Purchase Common Shares Outstanding

The Company had 21,106,363 warrants to purchase common shares outstanding at December 31, 2011 at a weighted-average exercise price of $1.48, as summarized in the following table:

 

Issue Date

 

Amount

    

Exercise Price

    

Expiration Date

 
4/27/07     17,500         17.90         1/17/14   
6/1/07     55,737         7.20         5/31/12   
12/5/07     516,300         1.17         12/3/12   
7/31/09     138,888+         1.00         7/30/14   
7/31/09     1,666,000         1.00         7/30/14   
10/16/09     18,064,888         1.50         10/15/14   
10/16/09     647,050         1.50         10/15/14   
 

 

 

    

 

 

    
        21,106,363           $ 1.48