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Concentrations (Details Narrative) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) integer
Tenants leasing mining locations | integer	4
Asset Management Top Customer
Customer revenue concentration	9.00%
Mining Top Customer
Customer revenue concentration	10.50%
Accounts receivable concentration | $	$ 271

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For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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