Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Details)

v3.8.0.1
STOCK-BASED COMPENSATION (Details) - $ / shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding at begining 217,426 165,664
Grants 260,000 69,800
Exercised
Forfeitures or expirations (75,702) (18,038)
Outstanding at end 401,724 217,426
Vested and expected to vest at end 401,724  
Exercisable at end 134,207  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Outstanding at begining $ 91.33 $ 106.38
Grants 4.63 46.58
Forfeitures or expirations 67.04 57.00
Outstanding at end 39.81 $ 91.33
Vested and expected to vest at end 39.81  
Exercisable at end $ 98.25  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term [Roll Forward]    
Outstanding at end 8 years 4 months 6 days 7 years 9 months 25 days
Vested and expected to vest at end 8 years 4 months 6 days  
Exercisable at end 6 years 7 months 6 days