Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Assets:
Accounts receivable, deferred rent	$ 111,300us-gaap_DeferredRentReceivablesNet	$ 217,200us-gaap_DeferredRentReceivablesNet
Aircraft and aircraft engines held for lease, accumulated depreciation	$ 38,962,800	$ 50,679,300
Stockholders' equity:
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, authorized (in shares)	2,000,000us-gaap_PreferredStockSharesAuthorized	2,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, issued (in shares)	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Preferred stock, outstanding (in shares)	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	10,000,000us-gaap_CommonStockSharesAuthorized	10,000,000us-gaap_CommonStockSharesAuthorized
Common stock, issued (in shares)	1,606,557us-gaap_CommonStockSharesIssued	1,606,557us-gaap_CommonStockSharesIssued
Common stock, outstanding (in shares)	1,606,557us-gaap_CommonStockSharesOutstanding	1,606,557us-gaap_CommonStockSharesOutstanding
Treasury stock (in shares)	63,300us-gaap_TreasuryStockShares	63,300us-gaap_TreasuryStockShares

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property, by the lessor or lessee, respectively. Such receivable is reduced by allowances attributable to, for instance, credit risk associated with a lessee.

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