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Accounting Policies (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2013
Brooksville joint venture owned | 50.00% | 50.00% | 50.00%
Depreciation and depletion | $ 6,195 | $ 5,528 | $ 5,056
Buildings and improvements |  |  |
Estimated useful lives | 3-39 |  |

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