XML 73 R62.htm IDEA: XBRL DOCUMENT
v3.10.0.1

15. MAJOR SUPPLIERS (Details Narrative) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 USD ($) | Sep. 30, 2017 USD ($)
Major Suppliers |  |
Top five suppliers percentage raw materials supplied | 71.60% | 68.20%
Amount due top five suppliers | $ 1,353,182 | $ 1,353,182

X
- References No definition available. + Details
Name: | gure_AmountDueTopFiveSuppliers
Namespace Prefix: | gure_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- References No definition available. + Details
Name: | gure_TopFiveSuppliersPercentageRawMaterialsSupplied
Namespace Prefix: | gure_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration