Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Commitments and Contingencies - Original maturities of deferred revenue (Details)
Jun. 30, 2019
USD ($)
Other Commitments [Line Items]  
Total $ 6,368,019
Deferred Lease Revenue [Member]  
Other Commitments [Line Items]  
2019 583,990
2020 412,733
2021 86,389
2022 25,382
Total $ 1,108,494