Annual report pursuant to section 13 and 15(d)

9. COMMON STOCK AND WARRANTS (Tables)

v2.4.0.8
9. COMMON STOCK AND WARRANTS (Tables)
12 Months Ended
Dec. 31, 2013
Stockholders' Equity Note [Abstract]  
Warrant activity
    Number of
Shares
    Price per
Share
  Weighted
Average
Exercise Price
 
Balance at December 31, 2011     426     $1.80 – $745.50   $ 117.60  
Warrants issued     4,633     $6.45 – $8.85   $ 7.80  
Warrants exercised     (20 )   $1.80 – $7.95   $ 2.85  
Balance at December 31, 2012     5,039     $1.80 – $745.50   $ 17.10  
Warrants issued     3,548     $6.32 – $7.59   $ 6.98  
Warrants exercised    

(285

)   $1.80 – $8.85   $ 7.27  
Warrants expired     (27 )   $745.50   $ 745.50  
Balance at December 31, 2013     8,275     $5.47– $735.00   $ 10.04