XML 35 R23.htm IDEA: XBRL DOCUMENT
v3.10.0.1

17. MAJOR SUPPLIERS | 12 Months Ended
--- | ---
Dec. 31, 2017
Property Management Fees |
17. MAJOR SUPPLIERS | During the year ended December 31, 2017, the Company purchased 68.2% of its raw materials from its top five suppliers. At December 31, 2017, amounts due to those suppliers included in accounts payable were $0. During the year ended December 31, 2016, the Company purchased 54.4% of its raw materials from its top five suppliers. At December 31, 2016, amounts due to those suppliers included in accounts payable were $3,598,861.

X
- Definition Custom Element. + References No definition available. + Details
Name: | gure_MajorSuppliersDisclosureTextblock
Namespace Prefix: | gure_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | gure_NotesToFinancialStatementsAbstract
Namespace Prefix: | gure_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration