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INVENTORIES (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Inventory Disclosure [Abstract]
Recorded impairment charges for slow moving inventories	$ 230,776	$ 24,745

X

- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

No definition available.

+ Details

Name:	gure_RecordedImpairmentCharges
Namespace Prefix:	gure_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

Name:	us-gaap_InventoryDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration