Quarterly report pursuant to Section 13 or 15(d)

Warrants

v2.4.0.6
Warrants
3 Months Ended
Mar. 31, 2013
Warrants and Rights Note Disclosure [Abstract]  
Warrants
Warrants
Our outstanding warrants are exercisable for common stock at any time during their respective terms. During the three months ended March 31, 2013, no warrants were exercised.
As of March 31, 2013, the following warrants were issued and outstanding:
March 31, 2013
Issue Date
Shares Subject
to warrants
 
Exercise Price
per Share
 
Expiration
May 25, 2006
184,895
 
$
5.96

 
May 25, 2013
July 17, 2007
2,384
 
$
12.45

 
February 9, 2016
September 28, 2007
72,727
 
$
8.25

 
September 28, 2017