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13. INCOME TAXES (Details Narrative) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
US federal net operating loss	$ 27,600,000gure_OperatingLossCarryforwardsDomestic	$ 26,500,000gure_OperatingLossCarryforwardsDomestic
Net operating losses	12,000,000us-gaap_OperatingLossCarryforwards
Increases Decrease in valuation allowance	$ 206,369us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount	$ 706,731us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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