Operating Lease Income - Future minimum lease receipts under the operating lease (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Operating Lease Income
One year or less	$ 79,902	$ 92,352
Over one year to two years	67,452	92,352
Over two years to three years	67,452	79,902
Over three years to four years	67,452	67,452
Over four years to five years	67,452	67,452
Thereafter	67,452	67,452
Total minimum lease receipts	$ 417,162	$ 466,962