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Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Mar. 02, 2020
Mar. 02, 2020
Feb. 03, 2020
Mar. 20, 2019
Jan. 23, 2020
Jul. 31, 2018
Apr. 25, 2018
Dec. 31, 2019
Jun. 30, 2020
Mar. 05, 2020
Mar. 27, 2019
Mar. 19, 2019
Jan. 15, 2019
Sep. 30, 2018
Jul. 24, 2018
Apr. 29, 2018
Jan. 19, 2018
Feb. 21, 2017
Subsequent Events (Textual)                                    
Sale of common stock, shares           1,075,231   258,536                    
Sale of purchase price per share                       $ 1.85 $ 2.00     $ 1.24 $ 2.111  
Gross proceeds of common stock value           $ 1,512   $ 439                    
Conversion of promissory note                     $ 250              
Deferred offering costs               $ 95           $ 108 $ 28     $ 96
Private Placement [Member]                                    
Subsequent Events (Textual)                                    
Sale of common stock, shares       1,438,356     806,452 1,267,123                    
Sale of purchase price per share       $ 1.46         $ 1.21                  
Gross proceeds of common stock value             $ 1,000                      
Conversion of promissory note       $ 250                            
Subsequent Event [Member]                                    
Subsequent Events (Textual)                                    
Sale of common stock, shares     140,085   7,322                          
Sale of purchase price per share     $ 1.55   $ 1.50                          
Gross proceeds of common stock value     $ 217   $ 11                          
Deferred offering costs     $ 14   $ 1                          
Subsequent Event [Member] | Private Placement [Member]                                    
Subsequent Events (Textual)                                    
Sale of common stock, shares 1,533,058 1,533,058,000                                
Sale of purchase price per share $ 1.21 $ 1.21   $ 1,460                            
Gross proceeds of common stock value   $ 825                                
Conversion of promissory note $ 825 $ 825               $ 825                
Subsequent events, description as part of the private placement, $825 of the outstanding principal amount of the Note was converted into 681,818 shares of Common Stock. The remaining 851,240 shares of Common Stock sold resulted in cash proceeds of $1,030.