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Contingencies (Details) - USD ($) | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Contingencies (Textual) |  |
Outstanding notes receivable | $ 979,462 | $ 0
Vendors [Member] |  |
Contingencies (Textual) |  |
Outstanding notes receivable |  | $ 1,410,000

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