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Retained Earnings Appropriated - Additional Information (Detail) | Jun. 30, 2012
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Retained Earnings Adjustments [Line Items] |
Required to transfer profit after tax | 10.00%
Shouguang City Haoyuan Chemical Company Limited |
Retained Earnings Adjustments [Line Items] |
Statutory Common Reserve Fund | 33.00%
Shouguang Yuxin Chemical Industry Company Limited |
Retained Earnings Adjustments [Line Items] |
Statutory Common Reserve Fund | 50.00%
Maximum |
Retained Earnings Adjustments [Line Items] |
Statutory Common Reserve Fund | 50.00%
Minimum | Except for the reduction of losses incurred |
Retained Earnings Adjustments [Line Items] |
Statutory Common Reserve Fund | 25.00%

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- Definition Entitys Required After Tax Profits to be Allocated to Statutory Common Reserve as Percentage of its Registered Capital + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Definition Required Percentage of Entitys After Tax Profits to Allocate to Statutory Common Reserve + References No definition available. + Details
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Namespace Prefix: | gure_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration