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Balance Sheets (Parentheticals) (acre, USD $)
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Dec. 31, 2013
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Dec. 31, 2012
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| Notes receivable for land sales (in Dollars) | $ 1,203,812 | $ 1,801,666 |
| Land (surface rights) | 10,124.78 | 10,124.78 |
| Number of lots | 310 | 318 |
| Certificates of Proprietary Interest, par value (in Dollars per share) | $ 100 | $ 100 |
| Certificates of Proprietary Interest, outstanding (in Shares) | 0 | 0 |
| Sub-share Certificates in Certificates of Proprietary Interest, par value (in Dollars per share) | $ 0.0333 | $ 0.0333 |
| Sub-share Certificates in Certificates of Proprietary Interest, outstanding (in Shares) | 8,473,202 | 8,795,258 |
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Land Surface Rights [Member]
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| Land (surface rights) | 901,092 | 911,491 |
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Royalty Interests In Acres 1_16 [Member]
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| Nonparticipaing perpetual royalty interest in acres | 373,777.09 | 373,777.09 |
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Royalty Interests In Acres 1_128 [Member]
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| Nonparticipaing perpetual royalty interest in acres | 85,413.60 | 85,413.60 |
| X | ||||||||||
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- Definition
Represents the number of acres related to non-participating perpetual royalty interests. No definition available.
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- Definition
Number of lots. No definition available.
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- Definition
Surface rights in acre as part of land owned. No definition available.
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| X | ||||||||||
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- Definition
Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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