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8. Outstanding Warrants
 12 Months Ended
Dec. 31, 2014
Text Block [Abstract]  
8. Outstanding Warrants

For the twelve months ended December 31, 2014, the Company granted 148 thousand common stock warrants, which had the potential to enhance returns for accredited investors who entered into additional Notes, Warrant Purchase Agreements, and equity offering agreements as well as provide incentives to certain employees and board members. The accredited investors received 2 year warrants exercisable at $0.01 per share in the equity offering agreements as part of debt or fees payment agreements.

 

For the twelve months ended December 31, 2014, Note investors exercised 217 thousand warrant shares at  exercise prices of $0.01 to $5.00 per share.

 

A summary of historical warrant activity for the years ended December 31, 2014 and 2013 follows:

 

 

 

Warrants Outstanding & Exercisable

     Weighted - Average Exercise Price   Average Remaining Term in Years
 Outstanding December 31, 2012                   181    $                  2.70                     2.67
 Granted                   582                      2.60      
 Exercised                 (264)                      0.10      
 Expired                   (29)                     11.80      
 Outstanding December 31, 2013                   470    $                  3.40                     4.85
 Granted                   148                      0.01      
 Exercised                 (217)                      1.32      
 Expired                   (50)                      4.97      
 Outstanding December  31, 2014                   351                      3.05                     2.69