Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY - Additional Information (Details)

v3.19.3
STOCKHOLDERS' EQUITY - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 2 Months Ended 3 Months Ended
Jul. 23, 2019
Jan. 31, 2019
Aug. 31, 2019
Jul. 23, 2019
Apr. 30, 2019
Aug. 31, 2019
Sep. 30, 2019
Sep. 30, 2018
Oct. 28, 2019
Jun. 30, 2019
Class of Stock [Line Items]                    
Authorized number of shares of Common Stock             500,000     500,000
Qualified expenditures             $ 700      
Restricted cash balance             $ 3,111     $ 0
Cash proceeds from equity offering   $ 25,000     $ 113,600 $ 22,600        
Preferred Stock, Shares Authorized             20,000     20,000
Stock Issued During Period, Shares, New Issues 69,000,000         82,900,000        
Purchase of Common Stock             10,000,000      
Share Price             $ 0.29      
Volume weighted average closing price of common stock             75.00%      
Liabilities, Current             $ 5,523     $ 8,379
Payments of stock issuance costs             $ 1,479 $ 0    
Purchase of Common Stock             10,000,000      
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 1.33     $ 1.34
Adjustments to Additional Paid in Capital, Warrant Issued             $ 2 5    
Common Stock, Par or Stated Value Per Share             $ 0.001     0.001
Proceeds from Stock Options Exercised             $ 4,100      
Early payments obligation             $ 3,400      
Preferred Stock, Par or Stated Value Per Share             $ 0.001     $ 0.001
Common Stock, No Par Value     $ 0.001     $ 0.001        
Subsequent Event [Member]                    
Class of Stock [Line Items]                    
Common Stock, Par or Stated Value Per Share                 $ 0.001  
Maximum [Member]                    
Class of Stock [Line Items]                    
Stock Issued During Period, Shares, Reverse Stock Splits     100              
Minimum                    
Class of Stock [Line Items]                    
Stock Issued During Period, Shares, Reverse Stock Splits     20              
Other Investors [Member]                    
Class of Stock [Line Items]                    
Stock Issued During Period, Shares, New Issues           14,000,000        
Share Price     $ 0.29     $ 0.29        
Gross proceeds from issuance of common stock           $ 4,100 $ 4,050 $ 0    
Other Investors [Member] | Maximum [Member]                    
Class of Stock [Line Items]                    
Stock Issued During Period, Shares, New Issues             30,000,000      
Other Investors [Member] | Minimum                    
Class of Stock [Line Items]                    
Stock Issued During Period, Shares, New Issues             20,000,000      
Investor [Member]                    
Class of Stock [Line Items]                    
Cash proceeds from equity offering $ 20,000                  
Stock Issued During Period, Shares, New Issues       69,000,000     20,000,000      
Share Price $ 0.29     $ 0.29            
VWAP for the previous thirty consecutive trading days $ 0.20                  
Percent of advisory fee payable           6.00%        
Amount of advisory fee payable     $ 1,500     $ 1,500        
Proceeds from Stock Options Exercised $ 20,000                  
Private Placement [Member]                    
Class of Stock [Line Items]                    
Stock Issued During Period, Shares, New Issues             13,100,000      
Gross proceeds from issuance of common stock             $ 3,800      
Private Placement [Member] | Investor [Member]                    
Class of Stock [Line Items]                    
Net proceeds from private placement             $ 22,600