Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Current tax provision [Abstract]
Federal	$ 0	$ 0
State	800	800
Foreign	123,200	0
Current tax provision	124,000	800
Deferred tax provision [Abstract]
Federal	581,200	3,539,900
State	45,100	43,000
Deferred tax provision	626,300	3,582,900
Total income tax provision	750,300	3,583,700
Income tax rate reconciliation [Abstract]
Income tax provision at statutory federal income tax rate	670,500	3,407,200
State tax provision, net of federal benefit	45,200	44,300
Non-deductible expenses	34,600	0
Prior year withholding tax adjustment	0	132,200
Total income tax provision	750,300	3,583,700
Deferred tax assets [Abstract]
Maintenance reserves	6,846,800	1,121,600
Current and prior year tax losses	4,016,000	313,200
Foreign tax credit	77,700	0
Alternative minimum tax credit	45,500	45,500
Deferred maintenance, bad debt allowance and other	62,100	34,700
Deferred tax assets	11,048,100	1,515,000
Deferred tax liabilities [Abstract]
Accumulated depreciation on aircraft and aircraft engines	(23,012,800)	(12,965,900)
Deferred income	(865,800)	(753,300)
Net deferred tax liabilities	(12,830,500)	(12,204,200)
Current year federal operating loss carryovers	11,000,000
Material uncertain tax positions	0	0
Current year state operating loss carryovers	80,000
Pre-tax income from domestic sources	1,600,000
Pre-tax income from foreign sources	$ 388,000	$ 0