XML 53 R18.htm IDEA: XBRL DOCUMENT v2.4.0.8
Warrants
 3 Months Ended
Mar. 31, 2014
Warrants and Rights Note Disclosure [Abstract]  
Warrants
Warrants
The Company's outstanding warrants are exercisable for common stock at any time during their respective terms. As of March 31, 2014, the following warrants remain outstanding:
March 31, 2014
Issue Date
Shares Subject
to warrants
 
Exercise Price
per Share
 
Expiration
July 17, 2007
2,384
 
$
12.45

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

 
September 28, 2017