Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Statement of Cash Flows [Abstract]
Net cash (used)/provided by operating activities	$ 5,983,900	$ 8,146,400
Investing Activities:
Proceeds from sale of aircraft and aircraft engines held for lease, net of re-sale fees	0	1,702,500
Proceeds from sale of assets held for sale, net of re-sale fees	3,229,900	5,505,400
Investment in aircraft parts and acquisition costs	0	(150,000)
Net cash provided by investing activities	3,229,900	7,057,900
Financing Activities:
Issuance of notes payable - MUFG Credit Facility and MUFG Loan	0	5,100,000
Repayment of notes payable - MUFG Credit Facility and MUFG Loan	(1,165,000)	(44,300,000)
Issuance of notes payable - Nord Loans	0	44,310,000
Repayment of notes payable - UK LLC SPE Financing	0	(9,211,100)
Repayment of notes payable - Nord Loans	(5,131,500)	(5,513,000)
Issuance of notes payable - PPP Loan	276,400	0
Debt issuance costs	(1,707,000)	(5,074,200)
Net cash used in financing activities	(7,727,100)	(14,688,300)
Net (decrease)/increase in cash, cash equivalents and restricted cash	1,486,700	516,000
Cash, cash equivalents and restricted cash, beginning of period	3,427,100	1,542,500
Cash, cash equivalents and restricted cash, end of period	4,913,800	2,058,500
Non-Cash Financing Activities
Non-cash issuance of notes payable - Credit Facility	2,150,000	0
Cash and cash equivalents	4,863,800	2,058,500
Restricted cash	50,000	0
Total cash, cash equivalents and restricted cash shown in the statement of cash flows	$ 4,913,800	$ 2,058,500