Summary of Significant Accounting Policies (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Assets:
Cash and money market accounts	$ 6,293,293	$ 2,521,050
Bank certificates of deposit	2,480,753
Interest rate swaps		40,209
Liabilities:
Interest rate swaps	(58,526)
Total, net	8,715,520	2,561,259
Fair Value, Inputs, Level 1 [Member]
Assets:
Cash and money market accounts	6,293,293	2,521,050
Bank certificates of deposit
Interest rate swaps
Liabilities:
Interest rate swaps
Total, net	6,293,293	2,521,050
Fair Value, Inputs, Level 2 [Member]
Assets:
Cash and money market accounts
Bank certificates of deposit	2,480,753
Interest rate swaps		40,209
Liabilities:
Interest rate swaps	(58,526)
Total, net	2,422,227	40,209
Fair Value, Inputs, Level 3 [Member]
Assets:
Cash and money market accounts
Bank certificates of deposit
Interest rate swaps
Liabilities:
Interest rate swaps
Total, net