EQUITY (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Jul. 25, 2017	Sep. 30, 2017	Sep. 30, 2016
Class of Warrant or Right [Line Items]
Net proceeds		$ 39,888
Proceeds from exercise of common stock warrants			$ 6,193
Warrants
Class of Warrant or Right [Line Items]
Exercise price per share			$ 2.6058
Proceeds from exercise of common stock warrants			$ 6,200
Class Of Warrant Or Right [Roll Forward]
Beginning balance		23,978	2,445,653
Exercised		0	(2,376,675)
Ending balance		23,978	68,978
Underwriting
Class of Warrant or Right [Line Items]
Issuance of common stock in relation to initial public offering	9,583,332
Public offering price	$ 4.50
Option to purchase additional shares	1,249,999
Gross proceeds	$ 43,100