XML 58 R18.htm IDEA: XBRL DOCUMENT v2.4.0.8

12. COMMON STOCK	12 Months Ended
	Dec. 31, 2013
Equity [Abstract]
12. COMMON STOCK	In November 2012, the Company issued 3,806,728 shares of its common stock, valued at $4,872,612, to acquire assets owned by Mr. Chengyong Zhao. See Note 2.

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	gure_CommonStockDisclosureTextblock
Namespace Prefix:	gure_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

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