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

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e32123-109318 + Details
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