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14. BUSINESS SEGMENTS (Details 2) (Shandong Maroi Chemical Company Limited [Member], USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Revenue, Major Customer [Line Items]
Revenue from major customer	$ 17,572us-gaap_SalesRevenueNet	$ 15,031us-gaap_SalesRevenueNet
Percentage of Total Revenue (%)	15.50%us-gaap_ConcentrationRiskPercentage1	12.70%us-gaap_ConcentrationRiskPercentage1
Bromine Segment [Member]
Revenue, Major Customer [Line Items]
Revenue from major customer	8,519us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = gure_ShandongMaroiChemicalCompanyLimitedMember / us-gaap_StatementBusinessSegmentsAxis = gure_BromineSegmentMember	6,955us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = gure_ShandongMaroiChemicalCompanyLimitedMember / us-gaap_StatementBusinessSegmentsAxis = gure_BromineSegmentMember
Crude Salt Segment [Member]
Revenue, Major Customer [Line Items]
Revenue from major customer	2,576us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = gure_ShandongMaroiChemicalCompanyLimitedMember / us-gaap_StatementBusinessSegmentsAxis = gure_CrudeSaltSegmentMember	3,520us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = gure_ShandongMaroiChemicalCompanyLimitedMember / us-gaap_StatementBusinessSegmentsAxis = gure_CrudeSaltSegmentMember
Chemical Products Segment [Member]
Revenue, Major Customer [Line Items]
Revenue from major customer	$ 6,477us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = gure_ShandongMaroiChemicalCompanyLimitedMember / us-gaap_StatementBusinessSegmentsAxis = gure_ChemicalProductsSegmentMember	$ 4,556us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = gure_ShandongMaroiChemicalCompanyLimitedMember / us-gaap_StatementBusinessSegmentsAxis = gure_ChemicalProductsSegmentMember

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- Definition

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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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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