Consolidated Balance Sheets (Current Period Unaudited) - USD ($) | Sep. 30, 2017 | Dec. 31, 2016 |
Assets | | |
Cash and cash equivalents | $ 69,496,293 | $ 49,417,889 |
Accrued receivables | 23,376,596 | 6,550,429 |
Other assets | 598,136 | 232,970 |
Deferred tax asset | 12,252,382 | 3,874,788 |
Notes receivable for land sales | 46,389 | 94,971 |
Water wells, vehicles, furniture, and equipment – at cost less accumulated depreciation | 8,802,014 | 1,168,281 |
Real estate acquired: (10,065 acres at September 30, 2017 and 10,065 acres at December 31, 2016) | 1,114,601 | 1,114,601 |
Real estate and royalty interests assigned through the 1888 Declaration of Trust, no value assigned: | | |
| 115,686,411 | 62,453,929 |
Liabilities and Capital | | |
Accounts payable and accrued expenses | 2,745,047 | 826,771 |
Income taxes payable | 7,199,780 | 1,950,774 |
Other taxes payable | 466,350 | 276,813 |
Unearned revenue | 37,436,192 | 11,775,049 |
Total liabilities | 47,847,369 | 14,829,407 |
Capital: | | |
Certificates of Proprietary Interest, par value $100 each; outstanding 0 Certificates | | |
Sub-share Certificates in Certificates of Proprietary Interest, par value $.03 1/3 each; outstanding: | | |
7,839,042 Sub-shares in 2017 and 7,927,314 Sub-shares in 2016 | | |
Other comprehensive loss | (907,152) | (959,563) |
Net proceeds from all sources | 68,746,194 | 48,584,085 |
Total capital | 67,839,042 | 47,624,522 |
| 115,686,411 | 62,453,929 |
Land Surface Rights [Member] | | |
Real estate and royalty interests assigned through the 1888 Declaration of Trust, no value assigned: | | |
Land (surface rights) situated in eighteen counties in Texas – 877,633 acres in 2017 and 877,488 acres in 2016 | 0 | 0 |
Royalty Interests in Acres 1_16 [Member] | | |
Real estate and royalty interests assigned through the 1888 Declaration of Trust, no value assigned: | | |
1/16 nonparticipating perpetual royalty interest in 373,777 acres in 2017 and 2016 | 0 | 0 |
Royalty Interests in Acres 1_128 [Member] | | |
Real estate and royalty interests assigned through the 1888 Declaration of Trust, no value assigned: | | |
1/128 nonparticipating perpetual royalty interest in 85,414 acres in 2017 and 2016 | $ 0 | $ 0 |