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STOCKHOLDERS’ EQUITY (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended
Aug. 17, 2021
Dec. 04, 2020
Dec. 02, 2020
Sep. 30, 2021
Aug. 31, 2021
Jan. 31, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
May 06, 2021
Jan. 22, 2021
Jan. 21, 2021
Dec. 31, 2020
Dec. 03, 2020
Class of Stock [Line Items]                              
Common Stock, Shares Authorized 40,000,000     40,000,000     40,000,000   40,000,000   24,109,635     24,109,634 20,000,000
Common Stock, Shares, Outstanding       27,178,126     27,178,126   27,178,126         21,246,523 19,850,014
Common Stock, Capital Shares Reserved for Future Issuance                             149,986
Common Stock, Shares, Issued       27,178,126     27,178,126   27,178,126   4,109,635     21,246,523  
Stock-based compensation expense             $ 99 $ 183 $ 306 $ 326          
Options expired                 13,845            
Proceeds from exercise of warrants                 $ 4,968          
Warrants, modification expense                 $ 14            
New Warrants [Member]                              
Class of Stock [Line Items]                              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights       1,205,967     1,205,967   1,205,967            
Exercise price of warrants per share       $ 1.04     $ 1.04   $ 1.04            
Proceeds from exercise of warrants                 $ 1,400            
Warrants, modification expense                 1,627            
Employee Stock [Member]                              
Class of Stock [Line Items]                              
Non-vested stock options granted, unrecognized estimated compensation cost       $ 95     $ 95   $ 95            
Non-vested stock options granted, weighted average period                 1 year 14 days            
Employees and Consultants [Member]                              
Class of Stock [Line Items]                              
Number of options, granted                 180,000 137,000          
Fair value options vesting term                 3 years 3 years          
Stock-based compensation expense             $ 99 $ 123 $ 306 $ 326          
Securities Purchase Agreement [Member]                              
Class of Stock [Line Items]                              
Gross proceeds from private placement     $ 6,000                        
Proceeds from Issuance of Private Placement     $ 5,400                        
Securities Purchase Agreement [Member] | Private Placement [Member]                              
Class of Stock [Line Items]                              
Sale of Stock, Number of Shares Issued in Transaction     5,914,285                        
Sale of Stock, Price Per Share     $ 0.70                        
Two Investors [Member] | Warrants [Member]                              
Class of Stock [Line Items]                              
Sale of Stock, Number of Shares Issued in Transaction           1,657,144                  
Exercise price of warrants per share           $ 0.001                  
Accredited Investors [Member] | Warrants [Member]                              
Class of Stock [Line Items]                              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                         1,205,968    
Exercise price of warrants per share                         $ 1.165    
Investors [Member] | Warrant [Member]                              
Class of Stock [Line Items]                              
Exercise price of warrants per share       $ 0.88 $ 2.50   $ 0.88   $ 0.88            
Proceeds from exercise of warrants       $ 3,600 $ 3,600                    
Number of warrants exercised       1,477,035 1,477,035   1,477,035   1,477,035            
Common Stock [Member]                              
Class of Stock [Line Items]                              
Conversion of Stock, Shares Converted 875,000                            
Conversion of Stock, Shares Issued   396,509                          
Excess Stock, Shares Issued   246,523                       4,109,634  
Pre-funded Warrants [Member] | Securities Purchase Agreement [Member]                              
Class of Stock [Line Items]                              
Sale of Stock, Number of Shares Issued in Transaction     2,657,144                        
Sale of Stock, Price Per Share     $ 0.699                        
Series C Preferred Stock [Member]                              
Class of Stock [Line Items]                              
Conversion of Stock, Shares Converted   396,509                          
December 2020 Warrants [Member]                              
Class of Stock [Line Items]                              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                       2,657,144      
December 2020 Warrants [Member] | Common Stock [Member]                              
Class of Stock [Line Items]                              
Excess Stock, Shares Issued                       2,657,144      
Series E Preferred Stock [Member]                              
Class of Stock [Line Items]                              
Conversion of Stock, Shares Converted 875,000                            
Preferred stock, conversion description                 Each share of Series E Preferred Stock is convertible at any time and from time to time at the option of a holder of Series E Preferred Stock into one share of the Company’s common stock, provided that each holder would be prohibited from converting Series E Preferred Stock into shares of the Company’s common stock if, as a result of such conversion, any such holder, together with its affiliates, would own more than 9.99% of the total number of shares of the Company’s common stock then issued and outstanding. This limitation may be waived with respect to a holder upon such holder’s provision of not less than 61 days’ prior written notice to the Company