Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Estimated Fair Value of Stock Options) (Details)

v3.3.1.900
STOCK-BASED COMPENSATION (Estimated Fair Value of Stock Options) (Details) - $ / shares
12 Months Ended
Dec. 31, 2014
Dec. 31, 2015
Jun. 03, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share price (in dollars per share)     $ 6.00
Common stock options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share price (in dollars per share) $ 11.62 $ 2.65  
Common stock options | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share price (in dollars per share) $ 5.79    
Expected Volatility 56.60%    
Risk-free interest rate 1.52%    
Expected Life 4 years    
Common stock options | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share price (in dollars per share) $ 8.06    
Dividend Yield 0.00%    
Expected Volatility 82.20%    
Risk-free interest rate 2.56%    
Expected Life 7 years