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Stockholders’ Equity (Deficit) (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Apr. 13, 2020
USD ($)
$ / shares
shares
Sep. 30, 2020
USD ($)
$ / shares
Jun. 30, 2020
shares
Jun. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Vote / shares
$ / shares
Sep. 30, 2019
USD ($)
Dec. 31, 2019
$ / shares
Voting Rights              
Warrants exercise price | $ / shares   $ 302,020.00     $ 302,020.00   $ 312,019.00
Risk free interest rate   0.36%     1.51% 2.75%  
Expected stock price volatility   76.80%     77.40% 75.00%  
Expected life of options (years)   5 years 9 months 18 days     5 years 9 months 18 days 10 years  
Issuance costs       $ 74 $ 695 $ 74  
Registered Offering              
Voting Rights              
Shares issued (in shares) | shares 750,000            
Offering shares (Per share) | $ / shares $ 10            
Gross proceeds $ 7,500            
Cash commission (Percent) 7.00%            
Warrants to purchase shares of common stock | shares 37,500            
Warrants to purchase shares of common stock, Percentage | shares 5.0            
Warrants exercise price | $ / shares $ 12.50            
Warrant exercise price, percentage 125.00%            
Fair market value of warrant   $ 289     $ 289    
Risk free interest rate         0.40%    
Expected stock price volatility         78.00%    
Expected life of options (years)         5 years    
Expected dividend yield         0.00%    
Issuance costs   1,000     $ 1,000    
Cash commissions   500     500    
Legal and other fees   200     200    
Placement agents warrants   300     $ 300    
Common Stock              
Common Stock              
Common stock, vote per share | Vote / shares         1    
Dividends Rights              
No dividends declared   $ 0     $ 0    
Voting Rights              
Common stock, vote per share | Vote / shares         1    
Shares issued (in shares) | shares     750,000