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Leases - Supplemental balance sheet information related to operating leases (Details)
Dec. 31, 2021
USD ($)
Leases  
Right-of-use assets, net $ 313,172
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Finance Lease, Right-of-Use Asset, after Accumulated Amortization
Operating lease liabilities - current $ 115,330
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating lease liabilities - current
Operating lease liabilities - non-current $ 223,291
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Noncurrent
Total operating lease liabilities $ 338,621
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Total operating lease liabilities