Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Cash Flows [Abstract]
Net cash provided by operating activities	$ (624,500)	$ 3,957,200
Investing activities:
Proceeds from sale of aircraft and aircraft engines held for lease, net of re-sale fees	0	1,710,600
Proceeds from sale of assets held for sale, net of re-sale fees	3,104,800	1,079,900
Net cash provided by/(used in) investing activities	3,104,800	2,790,500
Financing activities:
Issuance of notes payable - Credit Facility	0	5,100,000
Repayment of notes payable - Credit Facility	(1,165,000)	(33,800,000)
Issuance of notes payable - Term Loans	0	44,310,000
Repayment of notes payable - UK LLC SPE Financing	0	(9,211,100)
Repayment of notes payable - Term Loans	(664,000)	(1,580,700)
Debt issuance costs	(80,300)	(5,063,200)
Net cash (used in)/provided by financing activities	(1,909,300)	(245,000)
Net increase/(decrease) in cash and cash equivalents	571,000	6,502,700
Cash and cash equivalents, beginning of period	3,427,100	1,542,500
Cash and cash equivalents, end of period	3,998,100	8,045,200
Non-cash financing activities
Non-cash issuance of notes payable - Credit Facility	414,800	0
Cash and cash equivalents	1,746,200	1,542,500
Restricted cash	2,251,900	0
Total cash, cash equivalents and restricted cash shown in the statement of cash flows	$ 3,998,100	$ 1,542,500