XML 59 R48.htm IDEA: XBRL DOCUMENT v3.5.0.2

6. PROPERTY, PLANT AND EQUIPMENT UNDER CAPITAL LEASES, NET (Details Narrative) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Property Plant And Equipment Under Capital Leases Net Details Narrative
Depreciation and amortization expense	$ 81,618	$ 86,970	$ 248,226	$ 264,474

X

- 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_PropertyPlantAndEquipmentUnderCapitalLeasesNetDetailsNarrativeAbstract
Namespace Prefix:	gure_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration