Annual report pursuant to Section 13 and 15(d)

INTANGIBLE ASSETS - Additional Information (Details)

v3.10.0.1
INTANGIBLE ASSETS - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]      
Useful life 5 years    
Amortization expense $ 0.3 $ 0.3 $ 0.3
Remaining amortization period 17 days