RESTATEMENT OF CONSOLIDATED FINANCIAL STATEMENTS - Condensed Consolidated Balance Sheet Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2017
Accounting Changes and Error Corrections [Abstract]
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	$ 0	$ 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	$ 0	$ 0
Common stock, shares authorized	640,000,000	640,000,000	640,000,000
Common stock, shares issued	60,013,718	59,998,811	53,619,898
Common stock, shares outstanding	60,013,718	59,998,811	53,619,898