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COMMITMENTS AND CONTINGENCIES (Details)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Apr. 08, 2019
USD ($)
Jun. 30, 2020
USD ($)
Dec. 31, 2019
USD ($)
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Jan. 01, 2019
USD ($)
Commitments And Contingencies [Line Items]            
Operating Lease, Weighted Average Remaining Lease Term       1 year 2 months 12 days    
Loss Contingency Accrual     $ 0 $ 0 $ 0  
Stock Issued During Period, Shares, Issued for Services | shares     750      
Operating lease right-of-use assets     $ 401 210 401  
Lessee, Operating Lease, Liability, Payments, Due Year One       192    
Lessee, Operating Lease, Liability, Payments, Due Year Two       22    
Lessee, Operating Lease, Liability, Payments, Due       214    
Operating Leases, Future Minimum Payments Due     $ 406   406  
Operating Lease, Cost       $ 604 527  
Chief Financial Officer [Member]            
Commitments And Contingencies [Line Items]            
Salary and Wage, Officer, Excluding Cost of Good and Service Sold   $ 485        
Minimum            
Commitments And Contingencies [Line Items]            
Lessee, Operating Lease, Remaining Lease Term       1 year    
Maximum            
Commitments And Contingencies [Line Items]            
Lessee, Operating Lease, Remaining Lease Term       2 years    
Accounting Standards Update 2016-02 [Member]            
Commitments And Contingencies [Line Items]            
Operating lease right-of-use assets           $ 700
Line of Credit [Member] | NAB Facility Agreement [Member]            
Commitments And Contingencies [Line Items]            
Debt Instrument, Termination of Debt Notice 90 days          
Debt Instrument, Restrictions and Covenants, Number Of Times EBITDA Must Be Paid Total Interest Period Within A Period of Twelve Months Rolling Basis 2          
Debt Instrument, Restrictions and Covenants, Tangible Assets, Minimum       25.00%    
Debt Instrument, Restrictions and Covenants, Tangible Net Worth, Minimum $ 2,500          
Line of Credit Facility, Maximum Borrowing Capacity       $ 4,000    
Interest Expense       $ 19 $ 20  
Variable Receivable Finance Indicator [Member] | Line of Credit [Member] | NAB Facility Agreement [Member]            
Commitments And Contingencies [Line Items]            
Debt instrument, interest rate increase 1.60%