SUBSEQUENT EVENTS (Details) - Subsequent Event $ / shares in Units, $ in Millions	Oct. 23, 2018 USD ($) $ / shares shares
Public Offering
Subsequent Event [Line Items]
Number of shares issued in public offering (in shares)	4,210,527
Price per share on shares issued in public offering (in dollars per share) | $ / shares	$ 9.50
Proceeds from public offering of common stock | $	$ 36.6
Over-Allotment Option
Subsequent Event [Line Items]
Number of shares issued in public offering (in shares)	631,579
Option to purchase additional shares, period	30 days