XML 73 R63.htm IDEA: XBRL DOCUMENT v3.10.0.1

14. BUSINESS SEGMENTS (Details 1) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Business Segments
Total segment operating income (loss)	$ (8,081,754)	$ 19,077,134	$ (15,190,619)	$ 30,157,374
Corporate costs	(153,791)	(128,007)	(283,054)	(257,995)
Unrealized gain/(loss) on translation of intercompany balance	1,403,938	(466,655)	345,086	(603,910)
Income (loss) from operations	(6,831,607)	18,482,472	(15,128,587)	29,295,469
Other income, net of expense	135,493	90,656	261,627	174,605
Income (loss) before income taxes	$ (6,696,114)	$ 18,573,128	$ (14,866,960)	$ 29,470,074

X

- References

No definition available.

+ Details

Name:	gure_BusinessSegmentsDetails1Abstract
Namespace Prefix:	gure_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Corporate Expenditure

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	gure_IncomeFromOperations
Namespace Prefix:	gure_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	gure_NetIncomeBeforeTaxes
Namespace Prefix:	gure_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Segment Reporting Information Net Operating Income Loss

+ References

No definition available.

+ Details

Name:	gure_SegmentReportingInformationNetOperatingIncomeLoss
Namespace Prefix:	gure_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	gure_UnrealizedGainOnTranslationOfIntercompanyBalance
Namespace Prefix:	gure_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

+ Details

Name:	us-gaap_NonoperatingIncomeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration