Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Assets:
Cash and cash equivalents	$ 4,378,000	$ 8,657,800
Accounts receivable, including deferred rent of $228,100 and $707,300 at June 30, 2018 and December 31, 2017, respectively	3,151,600	3,825,100
Finance leases receivable	22,066,100	23,561,000
Aircraft and aircraft engines held for lease, net of accumulated depreciation of $38,219,000 and $33,234,200 at June 30, 2018 and December 31, 2017, respectively	210,592,000	195,098,200
Assets held for sale	4,736,100	4,966,500
Prepaid expenses and other	312,700	301,300
Total assets	245,236,500	236,409,900
Liabilities:
Accounts payable and accrued expenses	2,277,900	645,200
Notes payable and accrued interest, net of unamortized debt issuance costs of $1,483,500 and $2,216,000 at June 30, 2018 and December 31, 2017, respectively	147,642,500	145,598,200
Maintenance reserves	30,342,000	26,942,800
Accrued maintenance costs	359,800	1,275,300
Security deposits	3,434,800	3,147,900
Unearned revenues	4,764,200	2,447,500
Deferred income taxes	8,503,000	8,533,700
Income taxes payable	309,400	452,600
Total liabilities	197,633,600	189,043,200
Commitments and contingencies (Note 5)
Stockholders' equity:
Preferred stock, $0.001 par value, 2,000,000 shares authorized, no shares issued and outstanding	0	0
Common stock, $0.001 par value, 10,000,000 shares authorized, 1,629,999 shares issued, 1,416,699 shares outstanding	1,600	1,600
Paid-in capital	14,780,100	14,780,100
Retained earnings	35,858,000	35,621,800
Shareholders equity before treasury stock	50,639,700	50,403,500
Treasury stock at cost, 213,300 shares	(3,036,800)	(3,036,800)
Total stockholders' equity	47,602,900	47,366,700
Total liabilities and stockholders' equity	$ 245,236,500	$ 236,409,900