Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

v3.21.2
Commitments and Contingencies (Details)
 3 Months Ended 6 Months Ended
May 06, 2021
USD ($)
Investor
shares
Nov. 05, 2020
shares
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Mar. 31, 2020
shares
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Facility Lease [Abstract]              
Lease term     7 months     7 months  
Monthly base rent           $ 3,000  
Rent expense     $ 50,000 $ 9,000   98,000 $ 18,000
Issuance of Settlement Shares [Abstract]              
Common stock issued (in shares) | shares   7,091,878          
Number of accredited investors | Investor 3            
Accredited Investors [Member] | General and Administrative Expenses [Member]              
Issuance of Settlement Shares [Abstract]              
Fair value share settlement amount $ 1,614,000            
Common Stock [Member]              
Issuance of Settlement Shares [Abstract]              
Common stock issued (in shares) | shares         891,422    
Common Stock [Member] | Accredited Investors [Member]              
Issuance of Settlement Shares [Abstract]              
Common stock issued (in shares) | shares 350,000            
Rexahn [Member]              
Facility Lease [Abstract]              
Monthly base rent           13,000  
Rent expense     $ 50,000 $ 9,000   $ 98,000 $ 18,000