Condensed Combined DebtorinPossession Financial Information (Details 1) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating lease revenue	$ 318,300
Net (loss)/gain on disposal of assets	(194,900)		$ (11,100)		$ 6,800	$ 13,100
Other (loss)/income	4,014,900		9,168,700		1,480,700	4,391,600
Professional fees, general and administrative and other	1,714,900		2,998,500		119,600	2,148,200
Interest	1,916,600		10,472,500		1,900	4,459,500
Depreciation	1,165,800		4,172,800		466,600	2,002,400
Bad debt expense					1,147,000
Reorganization costs	952,800		0		952,800	0
Salaries and employee benefits	993,100		1,034,700		486,700	517,700
Insurance	464,100		411,400		216,300	224,600
Maintenance	239,500		168,400		94,500	88,200
Other taxes	51,100		51,100		25,600	25,600
Loss before income taxes and equity in earnings of non-debtor entities	(8,555,200)		(27,692,200)		(3,194,100)	$ (14,801,200)
Net loss	(3,197,800)	$ (5,410,300)	$ (13,517,700)	$ (10,178,400)
Debtors
Operating lease revenue	1,470,300				3,457,600
Net (loss)/gain on disposal of assets	6,800				(2,463,700)
Other (loss)/income	3,100				(1,400)
Total income	1,480,200				992,500
Impairment in value of aircraft	2,264,000				4,204,400
Professional fees, general and administrative and other	268,300				1,900,700
Interest	1,100				1,845,800
Depreciation	466,600				1,165,800
Bad debt expense	326,000				1,147,000
Reorganization costs	952,800				952,800
Salaries and employee benefits	445,900				910,200
Insurance	216,300				464,100
PPP Loan forgiveness	(279,200)				(279,200)
Maintenance	94,500				239,500
Other taxes	25,600				51,100
Total expenses	4,781,900				12,602,200
Loss before income taxes and equity in earnings of non-debtor entities	(3,301,700)				(11,609,700)
Income tax provision	3,700				52,900
Equity in earnings of non-debtor entities	107,600				3,054,500
Net loss	$ (3,197,800)				$ (8,608,100)