XML 68 R53.htm IDEA: XBRL DOCUMENT
v3.8.0.1

10. EQUITY (Details Narrative) - shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Equity Details Narrative |  |
COMMON STOCK, shares authorized | 80,000,000 | 80,000,000
Statutory Common Reserve Funds Description | SCHC, SYCI and DCHC are required each year to transfer at least 10% of the profit after tax as reported under the PRC statutory financial statements to the Statutory Common Reserve Funds until the balance reaches 50% of the registered share capital. |
Statutory Common Reserve Fund | The Statutory Common Reserve Fund for SCHC, SYCI and DCHC is 46%, 14% and 0% of its registered capital as of December 31, 2017. The Statutory Common Reserve Fund for SCHC, SYCI, SCRC and DCHC is 43%, 50%, 11% and 0% of its registered capital as of December 31, 2016. |

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

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

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

X
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant