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STOCKHOLDERS’ EQUITY (Details Narrative) - USD ($)
 1 Months Ended 12 Months Ended
May 06, 2021
Mar. 03, 2021
Jan. 21, 2021
Dec. 04, 2020
Dec. 02, 2020
Nov. 02, 2020
Sep. 22, 2020
Aug. 24, 2020
Aug. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Sep. 30, 2021
Aug. 17, 2021
Aug. 16, 2021
May 05, 2021
Mar. 02, 2021
Jan. 31, 2021
Jan. 22, 2021
Dec. 17, 2020
Dec. 03, 2020
Class of Stock [Line Items]                                        
Common stock, shares authorized 24,109,635 24,109,635               40,000,000 24,109,634   40,000,000 24,109,635 20,000,000 20,000,000       20,000,000
Common stock, shares outstanding                   27,997,793 21,246,523                 19,850,014
Common stock available for future issuance                                       149,986
Number of warrants to purchase                       2,193,492                
Issuance of common stock 4,109,635 4,109,635                                    
Proceeds from sale of common stock                   $ 9,479,000                  
Number of options, exercised                   0                    
Stock-based compensation expense                   $ 450,000 376,000                  
Stock option expired                   13,845                    
Non-vested stock options granted, unrecognized estimated compensation cost                   $ 413,000                    
Estimated compensation, term                   2 years 2 months 8 days                    
Gross proceeds from warrants exercised                   $ 4,968,000 $ 1,000                  
Warrants, modification expense                   $ 18,000                    
Warrant [Member] | Two Investor [Member]                                        
Class of Stock [Line Items]                                        
Number of warrants to purchase                                 1,657,144      
Exercise price of warrants                                 $ 0.001      
Minimum [Member]                                        
Class of Stock [Line Items]                                        
Exercise price of warrants                       $ 0.88                
Maximum [Member]                                        
Class of Stock [Line Items]                                        
Exercise price of warrants                       $ 2.50                
Private Placement [Member]                                        
Class of Stock [Line Items]                                        
Number of warrants to purchase                     3,774,468                  
Employee Stock [Member]                                        
Class of Stock [Line Items]                                        
Fair value options vesting term                   3 years                    
Number of options, vested                   $ 583,000 $ 561,000                  
Stock-based compensation expense                   258,000 $ 376,000                  
Securities Purchase Agreement [Member]                                        
Class of Stock [Line Items]                                        
Gross proceeds from private placement         $ 6,000,000.0                              
Net proceeds from private placement         $ 5,400,000                              
Securities Purchase Agreement [Member] | Private Placement [Member]                                        
Class of Stock [Line Items]                                        
Sale of stock, number of shares issued         5,914,285                              
Sale of stock, price per share         $ 0.70                              
August Underwriting Agreement [Member] | H.C. Wainwright & Co., LLC [Member]                                        
Class of Stock [Line Items]                                        
Number of warrants to purchase               339,858                        
Sale of stock, number of shares issued               4,531,434                        
Sale of stock, price per share               $ 0.75                        
Proceeds from sale of common stock               $ 2,700,000                        
Warrants expiration date               Aug. 24, 2025                        
Exercise price of warrants               $ 0.9375                        
September Underwriting Agreement [Member] | H.C. Wainwright & Co., LLC [Member]                                        
Class of Stock [Line Items]                                        
Number of warrants to purchase             134,609                          
Sale of stock, number of shares issued             1,794,783                          
Sale of stock, price per share             $ 1.00                          
Proceeds from sale of common stock             $ 1,400,000                          
Warrants expiration date             Sep. 22, 2025                          
Exercise price of warrants             $ 1.25                          
Cancellation Agreements [Member] | Option Holders [Member]                                        
Class of Stock [Line Items]                                        
Number of options, granted           804,788                            
Amount paid to each option holder           $ 1.00                            
Cancellation Agreements [Member] | Option Holders [Member] | Minimum [Member]                                        
Class of Stock [Line Items]                                        
Exercise prices           $ 2.57                            
Cancellation Agreements [Member] | Option Holders [Member] | Maximum [Member]                                        
Class of Stock [Line Items]                                        
Exercise prices           $ 6.00                            
Warrant Amendment [Member]                                        
Class of Stock [Line Items]                                        
Warrants, modification expense                   $ 1,627,000                    
Common Stock [Member]                                        
Class of Stock [Line Items]                                        
Shares issued upon conversion       396,509           153,000 151,000                  
Excess stock, shares issued       246,523             4,109,634                  
Issuance of common stock                     11,993,979                  
Common Stock [Member] | Private Placement [Member]                                        
Class of Stock [Line Items]                                        
Number of warrants to purchase                     100,000                  
Pre-funded Warrants [Member]                                        
Class of Stock [Line Items]                                        
Number of warrants to purchase                                     1,000,000  
Exercise price of warrants                                     $ 0.001  
Pre-funded Warrants [Member] | Securities Purchase Agreement [Member]                                        
Class of Stock [Line Items]                                        
Sale of stock, number of shares issued         2,657,144                              
Sale of stock, price per share         $ 0.699                              
Exercise price of warrants         $ 0.001                              
Warrant description         A holder of a Pre-funded Warrant may not exercise any portion of such holder’s Pre-funded Warrants to the extent that the holder, together with its affiliates, would beneficially own more than 4.99% (or, at the election of the holder, 9.99%) of the Company’s outstanding shares of common stock immediately after exercise, except that upon at least 61 days’ prior notice from the holder to the Company, the holder may increase the beneficial ownership limitation to up to 9.99% of the number of shares of common stock outstanding immediately after giving effect to the exercise.                              
Employee Options [Member]                                        
Class of Stock [Line Items]                                        
Number of options, exercised                                      
Number of options, granted                   877,500 997,000                  
Exercise prices                   $ 1.02                    
Existing Warrants [Member] | Letter Agreements [Member]                                        
Class of Stock [Line Items]                                        
Number of warrants to purchase     1,205,968                                  
Exercise price of warrants     $ 1.165                                  
New Unregistered Warrants [Member] | Letter Agreements [Member]                                        
Class of Stock [Line Items]                                        
Number of warrants to purchase     1,205,967                                  
Exercise price of warrants     $ 1.04                                  
Gross proceeds from warrants exercised     $ 1,400,000                                  
Warrant [Member]                                        
Class of Stock [Line Items]                                        
Gross proceeds from warrants exercised                 $ 3,600,000                      
Series C Preferred Stock [Member]                                        
Class of Stock [Line Items]                                        
Number of shares converted       396,509           666,667 2,326,475                  
Preferred stock, conversion description                   Each share of Series C Preferred Stock is convertible into one share of common stock at any time at the option of the holders, provided that each holder would be prohibited from converting Series C Preferred Stock into shares of 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 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.                    
Series C Preferred Stock [Member] | Common Stock [Member]                                        
Class of Stock [Line Items]                                        
Shares issued upon conversion                   666,667 2,236,475                  
December 2020 Warrants [Member]                                        
Class of Stock [Line Items]                                        
Number of warrants to purchase                                   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]                                        
Number of shares converted                   875,000 950,000                  
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.                    
Common Stock [Member]                                        
Class of Stock [Line Items]                                        
Shares issued upon conversion                   875,000 950,000                  
Series D Preferred Stock [Member]                                        
Class of Stock [Line Items]                                        
Number of shares converted                   153 151                  
Preferred stock, conversion description                   Each share of Series D Preferred Stock is convertible into 1,000 shares of common stock at any time at the option of the holders, provided that each holder would be prohibited from converting Series D Preferred Stock into shares of common stock if, as a result of such conversion, any such holder, together with its affiliates, would own more than 4.99% of the total number of shares of 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.