XML 57 R47.htm IDEA: XBRL DOCUMENT v3.22.2.2

FINANCE LEASE RIGHT-OF-USE ASSETS (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Finance Lease Right-of-use Assets
Depreciation and amortization expense	$ 1,401	$ 1,434	$ 2,860	$ 2,862

X

- Definition

Depreciation and amortization expense.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	gure_DisclosureFinanceLeaseRightofuseAssetsAbstract
Namespace Prefix:	gure_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration