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FAIR VALUE (Narratives) (Details)
1 Months Ended 3 Months Ended 9 Months Ended
Apr. 30, 2018
shares
Sep. 30, 2020
USD ($)
Y
shares
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Y
shares
Sep. 30, 2019
USD ($)
Dec. 31, 2019
Y
Dec. 31, 2018
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Debt settlement         $ 2,364,000    
Loss on derivative   $ 0 $ 0 $ 0      
Derivative asset (liability)             $ 62,000
Bridge Notes Redemption Feature [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Derivative asset (liability)             30,000
Conversion Option [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Derivative asset (liability)             $ 32,000
2016 Warrant Liability [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants outstanding (in shares) | shares   357   357      
(Decrease) in warrant liability       $ (400,000)      
Warrants canceled in settlement agreement | shares       1,347      
Measurement Input, Price Volatility [Member] | 2016 Warrant Liability [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants and Rights Outstanding, Measurement Input   407   407      
Measurement Input, Risk Free Interest Rate [Member] | 2016 Warrant Liability [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants and Rights Outstanding, Measurement Input   0.09   0.09      
Measurement Input, Expected Term [Member] | 2016 Warrant Liability [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants and Rights Outstanding, Measurement Input | Y   0.30   0.30      
April 2018 Warrants              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Stock rights issued (in shares) | shares 243,224            
Quarter 4 2018 Warrants | Measurement Input, Price Volatility [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants and Rights Outstanding, Measurement Input           140  
Quarter 4 2018 Warrants | Measurement Input, Risk Free Interest Rate [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants and Rights Outstanding, Measurement Input           1.59  
Quarter 4 2018 Warrants | Measurement Input, Expected Term [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants and Rights Outstanding, Measurement Input | Y           1  
Minimum | April 2018 Warrants | Measurement Input, Price Volatility [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants and Rights Outstanding, Measurement Input   168   168      
Minimum | April 2018 Warrants | Measurement Input, Risk Free Interest Rate [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants and Rights Outstanding, Measurement Input   0.11   0.11      
Minimum | April 2018 Warrants | Measurement Input, Expected Term [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants and Rights Outstanding, Measurement Input | Y   1.55   1.55      
Maximum | April 2018 Warrants | Measurement Input, Price Volatility [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants and Rights Outstanding, Measurement Input   206   206      
Maximum | April 2018 Warrants | Measurement Input, Risk Free Interest Rate [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants and Rights Outstanding, Measurement Input   0.19   0.19      
Maximum | April 2018 Warrants | Measurement Input, Expected Term [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Warrants and Rights Outstanding, Measurement Input | Y   3.62   3.62