Annual report pursuant to Section 13 and 15(d)

13. COMMON STOCK AND WARRANTS (Tables)

v3.6.0.2
13. COMMON STOCK AND WARRANTS (Tables)
12 Months Ended
Dec. 31, 2016
Stockholders' Equity Note [Abstract]  
Warrant activity
    Number of
Shares
    Price per
Share
  Weighted
Average
Exercise Price
 
Balance at December 31, 2013     8,275     $5.47 – $735.00   $ 10.04  
Warrants exercised     (6,615 )   $6.09 –  $8.85   $ 7.17  
Warrants expired     (804 )   $5.47   $ 5.47  
Balance at December 31, 2014     856     $6.09 – $735.00   $ 36.55  
Warrants exercised     (42 )   $8.85   $ 8.85  
Warrants expired     (432 )   $8.85   $ 8.85  
Balance at December 31, 2015     382     $6.09 – $735.00   $ 70.87  
Warrants exercised     (138 )   $8.43   $ 8.43  
Balance at December 31, 2016     244     $6.09 – $735.00   $ 106.22