Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Commitments and Contingencies - Original maturities of deferred revenue (Details) - Deferred Lease Revenue [Member]
Mar. 31, 2020
USD ($)
Other Commitments [Line Items]  
2020 $ 937,509
2021 274,951
2022 51,369
2023 16,916
Total $ 1,280,745