XML 63 R48.htm IDEA: XBRL DOCUMENT
v3.6.0.2

5. PROPERTY, PLANT AND EQUIPMENT, NET (Details Narrative) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Property, Plant and Equipment [Abstract] |  |
Property ownership carrying value | $ 35,184,613 | $ 42,526,151
Depreciation and amortization expense | 24,552,507 | 28,746,069
Cost of net revenue | 23,220,525 | 27,281,471
Cost of administrative expenses | 1,331,982 | 1,464,598
Ordinary repair and maintenance expenses | $ 463,156 | $ 607,688

X
- Definition Custom Element. + References No definition available. + Details
Name: | gure_CostOfAdministrativeExpenses
Namespace Prefix: | gure_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Custom Element. + References No definition available. + Details
Name: | gure_CostOfRevenues1
Namespace Prefix: | gure_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Custom Element. + References No definition available. + Details
Name: | gure_PropertyOwnershipCarryingValue
Namespace Prefix: | gure_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Custom Element. + References No definition available. + Details
Name: | gure_RepairAndMaintenanceExpenses
Namespace Prefix: | gure_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
Name: | us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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