SUBSEQUENT EVENTS (Details) - Subsequent Event - Underwriting $ / shares in Units, $ in Millions	Jul. 25, 2017 USD ($) $ / shares shares
Subsequent Event [Line Items]
Underwritten public offering	9,583,332
Public offering price | $ / shares	$ 4.50
Option to purchase additional shares	1,249,999
Gross proceeds | $	$ 43.1