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STOCK-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2016
Stock-based Compensation Tables  
Summary of stock options
    Number of     Weighted  
    Options     Average  
    (in thousands)     Exercise Price  
             
Outstanding at December 31, 2015     3,131     $ 3.38  
Granted     786     $ 1.76  
Exercised     (31 )     3.81  
Cancelled     (68 )     3.35  
Outstanding at September 30, 2016     3,818     $ 3.02