Aircraft Lease Assets (Details 2) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Aircraft Lease Assets [Abstract]
Gross minimum lease payments receivable	$ 4,138,000	$ 12,772,300
Less unearned interest	(88,000)	(1,053,900)
Allowance for doubtful accounts	(1,170,000)	(2,908,600)
Difference between minimum lease payments receivable and collateral value of leases	0	(7,700)
Finance leases receivable	$ 2,880,000	$ 8,802,100