Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Commitments and Contingencies - Original maturities of deferred revenue (Details) - Deferred Lease Revenue [Member]
Jun. 30, 2020
USD ($)
Other Commitments [Line Items]  
2020 $ 567,102
2021 249,451
2022 40,619
2023 1,713
Total $ 858,885