RESTATEMENT OF CONSOLIDATED FINANCIAL STATEMENTS - Restated Condensed Consolidated Balance Sheet - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	Sep. 30, 2018	Jun. 30, 2018	Sep. 30, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Convertible preferred stock, shares authorized	900,000	900,000	900,000
Convertible preferred stock, shares issued	445,063	445,063	445,063
Convertible preferred stock, shares outstanding	445,063	445,063	445,063
Convertible preferred stock, liquidation preference	$ 19,777	$ 19,443	$ 19,109
Preferred stock, par value (in dollars per share)			$ 0
Preferred stock, shares authorized	1,800,000	1,800,000	1,800,000
Preferred stock, shares issued	0	0	0
Common stock, par value (in dollars per share)			$ 0
Common stock, shares authorized	640,000,000	640,000,000	640,000,000
Common stock, shares issued	60,012,155	59,998,811	50,194,731
Common stock, shares outstanding	60,012,155	59,998,811	50,194,731
Series A Convertible Preferred Stock
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Preferred stock, shares authorized			900,000
Preferred stock, shares issued			445,063
Preferred stock, shares outstanding			445,063
Preferred stock, liquidation preference			$ 19,109