Balance Sheets (Parentheticals) |
Dec. 31, 2015
USD ($)
a
$ / shares
shares
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Dec. 31, 2014
USD ($)
a
$ / shares
shares
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|---|---|---|
| Land Surface Rights [Member] | ||
| Land (surface rights) | 878,268 | 899,149 |
| Royalty Interests in Acres 1_16 [Member] | ||
| Nonparticipating perpetual royalty interest in acres | 373,777 | 373,777 |
| Royalty Interests in Acres 1_128 [Member] | ||
| Nonparticipating perpetual royalty interest in acres | 85,414 | 85,414 |
| Notes receivables for land sales | $ | $ 32,906 | $ 75,185 |
| Land (surface rights) | 10,064.78 | 10,124.78 |
| Certificates of Proprietary Interest, par value (in dollars per share) | $ / shares | $ 100 | $ 100 |
| Certificates of Proprietary Interest, outstanding (in shares) | shares | 0 | 0 |
| Sub-share Certificates in Certificates of Proprietary Interest, par value (in dollars per share) | $ / shares | $ 0.0333 | $ 0.0333 |
| Sub-share Certificates in Certificates of Proprietary Interest, outstanding (in shares) | shares | 8,118,064 | 8,322,399 |
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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 Surface rights in acre as part of land owned. No definition available.
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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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- 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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- Definition An amount representing an agreement for an unconditional promise by the maker to pay the Company (holder) a definite sum of money within one year from the balance sheet date (or the normal operating cycle, whichever is longer), net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- 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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