Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Deficit), Registered Direct Offering (Details)

v3.21.2
Stockholders' Equity (Deficit), Registered Direct Offering (Details)
3 Months Ended 6 Months Ended
Jun. 08, 2021
USD ($)
$ / shares
shares
Nov. 05, 2020
shares
Mar. 31, 2020
shares
Jun. 30, 2021
USD ($)
shares
Jun. 30, 2020
USD ($)
Registered Direct Offerings [Abstract]          
Shares sold (in shares)   7,091,878      
Issuance expenses | $       $ 1,102,000 $ 0
Common Stock [Member]          
Registered Direct Offerings [Abstract]          
Shares sold (in shares)     891,422    
Registered Direct Offering [Member]          
Registered Direct Offerings [Abstract]          
Gross proceeds | $ $ 15,000,000        
Registered Direct Offering [Member] | Warrants [Member]          
Registered Direct Offerings [Abstract]          
Offering price (in dollars per share) | $ / shares $ 0.50        
Exercise price (in dollars per share) | $ / shares $ 6.09        
Expiration period 5 years        
Fair value of warrants | $ $ 6,400,000        
Warrants outstanding (in shares)       1,538,461  
Minimum percentage of beneficial ownership       4.99%  
Maximum percentage of beneficial ownership limitation       9.99%  
Registered Direct Offering [Member] | Common Stock [Member]          
Registered Direct Offerings [Abstract]          
Shares sold (in shares) 3,076,923        
Warrants issued (in shares) 1,538,461        
Offering price (in dollars per share) | $ / shares $ 4.875        
Issuance expenses | $ $ 1,100,000        
Registered Direct Offering [Member] | Risk-Free Interest Rate [Member] | Warrants [Member]          
Registered Direct Offerings [Abstract]          
Measurement input 0.008        
Registered Direct Offering [Member] | Expected Volatility [Member] | Warrants [Member]          
Registered Direct Offerings [Abstract]          
Measurement input 0.992        
Registered Direct Offering [Member] | Expected Dividend Yield [Member] | Warrants [Member]          
Registered Direct Offerings [Abstract]          
Measurement input 0