XML 34 R24.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2015
Stockholders' Equity [Abstract]  
Schedule of warrant related activity
 
    Warrant Shares     Weighted Average
Exercise Price
 
Outstanding, January 1, 2014     17,017,601     $ 1.29  
Issued     6,191,500       0.75  
Exercised or cancelled     (1,996,288 )     0.36  
Outstanding, December 31, 2014     21,212,813       1.19  
Issued     3,539,315       0.41  
Exercised or cancelled     (285,345 )     53.64  
Outstanding, December 31, 2015     24,466,783     $ 0.47  
                 
Expiring in 2016     -          
Expiring in 2017     7,235,622          
Expiring in 2018     3,399,546          
Expiring thereafter     13,831,615