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SUBSEQUENT EVENTS - Additional Information (Details)
1 Months Ended 6 Months Ended
Jan. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
$ / shares
shares
Nov. 30, 2019
USD ($)
Nov. 30, 2019
AUD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Subsequent Event [Line Items]            
Purchase of property and equipment         $ 598,000 $ 703,000
Scenario Forecast            
Subsequent Event [Line Items]            
Cash proceeds from sale of assets $ 500,000          
License fees 15,000,000          
Tax credits receivable, net 2,700,000          
Scenario Forecast | Warrant Agreement | Series F warrants            
Subsequent Event [Line Items]            
Debt conversion, warrants issued | shares   2,300,000        
Debt conversion, Exercise price of warrants | $ / shares   $ 0.0001        
Number of warrants issued | shares   900,000        
Scenario Forecast | Sellers’ Agreement            
Subsequent Event [Line Items]            
Cash proceeds from sale of assets 14,500,000          
Scenario Forecast | Credit Facility            
Subsequent Event [Line Items]            
Maximum borrowing capacity   $ 5,000,000        
Line of credit, additional advance amount   $ 5,000,000        
Scenario Forecast | Maximum | Warrant Agreement | Series F warrants            
Subsequent Event [Line Items]            
Number of warrants issuable | shares   2,000,000        
Additional warrants issuable percentage of common stock   10.00%        
Scenario Forecast | Maximum | Sellers’ Agreement            
Subsequent Event [Line Items]            
Earnout payment receivable $ 5,000,000          
Scenario Forecast | Australia            
Subsequent Event [Line Items]            
Proceeds from sale of assets       $ 9,000,000    
Cash proceeds from sale of assets       6,000,000    
Cash receivable upon closing of sale of asset       $ 600,000    
Earnout payments term     2 years 2 years    
Scenario Forecast | Australia | Retained Investment in Business            
Subsequent Event [Line Items]            
Net proceeds from dispositions       $ 6,000,000    
Scenario Forecast | Australia | Maximum            
Subsequent Event [Line Items]            
Earnout payment receivable       3,000,000    
Earnout payments       1,500,000    
Scenario Forecast | Australia | Minimum            
Subsequent Event [Line Items]            
Earnout payments       $ 750,000    
Scenario Forecast | Secured Promissory Note            
Subsequent Event [Line Items]            
Purchase of property and equipment     $ 10,000,000      
Debt stated interest rate percentage       7.00%    
Debt instrument, maturity date     Jan. 01, 2023 Jan. 01, 2023