Assets and Liabilities Held for Sale (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Maintenance reserves	$ 0	$ 2,000,600
Assets And Liabilities [Member]
Cash and cash equivalents	0	345,900
Restricted cash	0	2,346,300
Aircraft and Part-out Assets	53,409,400	38,146,700
Notes payable and accrued interest, net of unamortized debt issuance costs of $313,400	0	(13,836,900)
Derivative liability	0	(767,900)
Maintenance reserves	(2,028,000)	0
Security deposits	(466,000)	0
Unearned revenue	$ (966,400)	$ 0