Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Original maturities of deferred revenue (Details)

v3.21.2
Commitments and Contingencies - Original maturities of deferred revenue (Details) - Deferred Lease Revenue [Member]
Jun. 30, 2021
USD ($)
Other Commitments [Line Items]  
2021 $ 1,349,433
2022 853,530
2023 27,069
2024 403
Total $ 2,230,435