Quarterly report pursuant to Section 13 or 15(d)

SALE OF COMMON STOCK (Details Narrative)

v3.20.2
SALE OF COMMON STOCK (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 08, 2020
Feb. 07, 2020
Nov. 14, 2019
Aug. 20, 2019
Dec. 13, 2018
Dec. 11, 2018
Dec. 07, 2018
Oct. 18, 2018
Feb. 28, 2020
Mar. 31, 2020
Mar. 31, 2020
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Net proceeds                         $ 300    
Proceeds from the exercise of warrants                         $ 7,474 $ 70  
Number of options granted                         10,100,250    
Number of shares issued, value                     $ 1,895        
Net proceeds                         $ 51,099 $ 420  
Preferred stock deemed dividend                     $ 1,260   $ 1,260    
Issuance of common stock under 2019 Purchase Agreement (in share)                         464,471    
Warrants from Feb 7 Financing [Member]                              
Number of exercised warrants                   10,800,000     10,800,000    
Exercised price (in dollars per share)                         $ 0.57    
Proceeds from the exercise of warrants                   $ 6,200     $ 6,200    
Warrants from Nov 2019 Financing [Member]                              
Number of exercised warrants                         2,300,000    
Exercised price (in dollars per share)                   $ 0.57 $ 0.57   $ 0.57    
Proceeds from the exercise of warrants                         $ 1,300    
Series B Convertible Preferred Stock [Member]                              
Number of shares converted (in shares)                     5,313        
Series A Convertible Preferred Stock [Member]                              
Number of shares converted (in shares)                       9,856      
Issuance of Series A Convertible preferred stock and common stock warrants (in shares)                             7,938
Shares issue upon conversion of preferred stock (shares)                       281,610      
2018 Purchase Agreement [Member]                              
Number of units sold                         22,754    
Percentage of underwriting discount                         19.90%    
Net proceeds                         $ 400    
2018 Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC [Member]                              
Number of shares issued (in shares)               3,500              
Commitment to purchase shares under agreement               $ 15,000              
Number of shares issued, value               $ 245              
Underwriting Agreement [Member] | Alliance Global Partners [Member]                              
Sale of stock, price (in dollars per share)                 $ 1.10            
Percentage of underwriting discount     7.00%           7.00%            
Underwriting discount                 $ 1,100            
Net proceeds                            
Offering expenses     $ 500           $ 100            
Number of shares issued (in shares)                 14,550,000            
Net proceeds     $ 7,900                        
Underwriting Agreement [Member] | Alliance Global Partners [Member] | Class A Units [Member]                              
Sale of stock, price (in dollars per share)     $ 1.94                        
Issuance of common stock and common stock warrants (in shares)     547,420                        
Number of common shares per unit     1                        
Issue of shares at discount     $ 600                        
Underwriting Agreement [Member] | Alliance Global Partners [Member] | Class B Units [Member]                              
Sale of stock, price (in dollars per share)     $ 1,000                        
Issuance of Series A Convertible preferred stock and common stock warrants (in shares)     7,938                        
Underwriting Agreement [Member] | Alliance Global Partners [Member] | Warrants [Member]                              
Exercised price (in dollars per share)     $ 1.94                        
Warrants expiration period     5 years                        
Underwriting Agreement [Member] | Alliance Global Partners [Member] | Warrants [Member] | Class B Units [Member]                              
Number of warrants to purchase to common stock per unit     515.464                        
Underwriting Agreement [Member] | Alliance Global Partners [Member] | Common Warrants [Member]                              
Exercised price (in dollars per share)     $ 1.94                        
Value of securities traded to trigger exercise of warrants     $ 9,000                        
Warrants expiration period     12 months                        
Underwriting Agreement [Member] | Alliance Global Partners [Member] | Common Warrants [Member] | Class B Units [Member]                              
Number of warrants to purchase to common stock per unit     257.732                        
Underwriting Agreement [Member] | Alliance Global Partners Dawson James Securities Inc [Member] | Class A Units [Member]                              
Sale of stock, price (in dollars per share)             $ 35.00                
Issuance of common stock and common stock warrants (in shares)             86,171                
Number of common shares per unit             1                
Number of warrants to purchase to common stock per unit             1                
Number of options granted             64,286                
Number of options granted, term             45 days                
Number of warrants granted             64,286                
Underwriting Agreement [Member] | Alliance Global Partners Dawson James Securities Inc [Member] | Class B Units [Member]                              
Sale of stock, price (in dollars per share)             $ 1,000                
Number of shares of common stock convertible             28.5714                
Exercised price (in dollars per share)             $ 35.00                
Issuance of Series A Convertible preferred stock and common stock warrants (in shares)             11,984                
Number of warrants to purchase to common stock per unit             28.5714                
Number of convertible preferred stock per unit             1                
Warrants expiration period             5 years                
Conversion price per share             $ 35.00                
Underwriting Agreement [Member] | Alliance Global Partners Dawson James Securities Inc [Member] | Over-Allotment Option [Member]                              
Underwriting discount         $ 100                    
Number of shares issued (in shares)         25,000                    
Net proceeds         $ 800                    
Underwriting discount per share (in dollars per share)         $ 2.40                    
Underwriting Agreement [Member] | Alliance Global Partners Dawson James Securities Inc [Member] | Over-Allotment Option [Member] | Class A Units [Member]                              
Number of shares issued (in shares)           64,000                  
Net proceeds           $ 6                  
Underwriting Agreement [Member] | Alliance Global Partners Dawson James Securities Inc [Member] | Public Offering [Member] | Class A Units [Member]                              
Percentage of underwriting discount           7.00%                  
Underwriting discount           $ 1,100                  
Offering expenses           400                  
Net proceeds           $ 13,600                  
Underwriting discount per share (in dollars per share)           $ 2.40                  
Preferred stock deemed dividend           $ 3,300                  
Underwriting Agreement [Member] | Class A Unit [Member]                              
Number of units sold   3,837,000                          
Sale of stock, price (in dollars per share)   $ 0.57                          
Underwriting Agreement [Member] | Class B Unit [Member]                              
Number of units sold   5,313                          
Sale of stock, price (in dollars per share)   $ 1,000                          
Conversion price (in dollars per share)   $ 0.57                          
Number of shares of common stock convertible   1,754.386                          
Number of warrants issued   1,754.386                          
Exercised price (in dollars per share)   $ 0.57                          
Warrant term   5 years                          
Underwriting Agreement [Member] | Class B Unit [Member] | Alliance Global Partners [Member] | IPO [Member]                              
Percentage of underwriting discount   7.00%                          
Underwriting discount   $ 500                          
Net proceeds   6,500                          
Offering expenses   500                          
Preferred stock deemed dividend   $ 1,300                          
Underwriting Agreement [Member] | Series A Convertible Preferred Stock [Member] [Default Label] | Alliance Global Partners [Member] | Class B Units [Member]                              
Preferred stock deemed dividend     $ 2,500                        
2019 Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC [Member]                              
Number of shares issued (in shares)       35,529                      
Commitment to purchase shares under agreement       $ 15,000                      
Number of shares issued, value       $ 200                      
Sales Agreement [Member] | Alliance Global Partners [Member]                              
Number of units sold 5,300,000                            
Net proceeds $ 35,300                            
Offering price at-the-market offerings $ 50,000                            
Commission to agent 3.00%