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Leased Properties - Additional Information (Details)
 3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
Jul. 01, 2018
ft²
Lessee, Lease, Description [Line Items]              
Square footage of office space | ft²             3,169
Renewal term of operating lease             1 year
Incremental borrowing rate           7.00%  
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] us-gaap:OtherAssetsNoncurrent   us-gaap:OtherAssetsNoncurrent        
Current portion of lease liabilities $ 409,647   $ 409,647   $ 410,896    
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilitiesCurrent   us-gaap:OtherLiabilitiesCurrent        
Lease liabilities long-term $ 82,964   $ 82,964   $ 389,556    
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilitiesNoncurrent   us-gaap:OtherLiabilitiesNoncurrent        
Non-cash lease expenses $ 76,000 $ 27,000 $ 228,000 $ 81,000      
Cash paid for measurement of operating lease liabilities $ 111,000 $ 28,000 $ 349,000 $ 81,000      
Operating lease weighted average remaining lease term 1 year 1 month 20 days   1 year 1 month 20 days        
Other Current Assets              
Lessee, Lease, Description [Line Items]              
Right of use asset $ 306,000   $ 306,000