Annual report pursuant to Section 13 and 15(d)

Leases (Details)

Leases (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Lessor, Lease, Description [Line Items]    
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:LiabilitiesCurrentAbstract us-gaap:LiabilitiesCurrentAbstract
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:OperatingLeaseLiabilityNoncurrent
Office space and warehouse facilities    
Lessor, Lease, Description [Line Items]    
Lease expense $ 740,577 $ 744,781