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Business Segments (Details Narrative) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 a Segments | Jun. 30, 2017 ft²
Reportable business segments | Segments | 4 |
Mining royalty lands |  |
Mining royalty lands acres | 15,000 |
Brooksville Quarry, LLC |  |
Mining royalty lands acres | 4,280 |
RiverFront on the Anacostia |  |
Square feet | ft² |  | 300,000
Stabilization percent leased and occupied |  | 90.00%

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