Aircraft Lease Assets (Details 2) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Aircraft Lease Assets [Abstract]
Gross minimum lease payments receivable	$ 18,153,300	$ 17,107,100
Less unearned interest	(1,564,100)	(1,856,200)
Finance leases receivable	$ 16,589,200	$ 15,250,900