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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