XML 20 R42.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Assets Acquisitions - Additional Information (Detail) | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2012 USD ($) | Jun. 30, 2011 USD ($) | Mar. 31, 2011 USD ($) | Jun. 30, 2012 USD ($) | Jun. 30, 2011 USD ($) | Jun. 30, 2012 Land USD ($) | Jun. 30, 2012 Land CNY | Jun. 30, 2012 Land Minimum | Jun. 30, 2012 Land Maximum | Jun. 30, 2012 Land Use Rights USD ($) | Jun. 30, 2012 Land Use Rights CNY | Jun. 30, 2011 Crude Salt Fields USD ($) | Jun. 30, 2011 Extraction Wells, Transmission Channels and Ducts USD ($) | Jun. 30, 2011 Plant And Machinery Minimum | Jun. 30, 2012 Plant And Machinery Minimum | Jun. 30, 2011 Plant And Machinery Maximum | Jun. 30, 2012 Plant And Machinery Maximum
Property, Plant, and Equipment Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital lease period |  |  |  |  |  | 20 years | 20 years | 1 year | 50 years | 20 years | 20 years |  |  |  |  |  |
Capital lease, annual payment |  |  |  |  | $ 3,127,913 | $ 295,365 | 1,877,000 |  |  | $ 495,651 | 3,123,000 |  |  |  |  |  |
Capital lease expiration period |  |  |  |  |  | Dec. 31, 2030 | Dec. 31, 2030 |  |  | Dec. 31, 2030 | Dec. 31, 2030 |  |  |  |  |  |
Present value of the minimum lease payments | 3,025,078 |  |  | 3,025,078 |  | 3,127,913 |  |  |  |  |  |  |  |  |  |  |
Capital improvement in reconstruction and renovation work | $ 7,849,287 | $ 37,076,209 | $ 3,050,400 | $ 7,849,287 | $ 43,306,199 |  |  |  |  |  |  | $ 12,379,153 | $ 20,087,600 |  |  |  |
Property, plant and equipment, Maximum useful life |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years | 5 years | 8 years | 8 years

X
- Definition Lease Term + References No definition available. + Details
Name: | gure_LeaseTerm
Namespace Prefix: | gure_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | gure_PropertyPlantAndEquipmentDisclosureLineItems
Namespace Prefix: | gure_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase during the period in capital lease obligations due to entering into new capital leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_CapitalLeaseObligationsIncurred
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_LeaseExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAdditions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration