XML 36 R69.htm IDEA: XBRL DOCUMENT v3.20.1

17. MAJOR SUPPLIERS (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Risks and Uncertainties [Abstract]
Top five suppliers percentage raw materials supplied	100.00%	100.00%
Amount due top five suppliers	$ 0	$ 0

X

- Definition

Custom Element.

+ References

No definition available.

+ Details

Name:	GURE_AmountDueTopFiveSuppliers
Namespace Prefix:	GURE_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Custom Element.

+ References

No definition available.

+ Details

Name:	GURE_TopFiveSuppliersPercentageRawMaterialsSupplied
Namespace Prefix:	GURE_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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