XML 38 R27.htm IDEA: XBRL DOCUMENT
v3.5.0.2

1. NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2016
Accounting Policies [Abstract] |
Schedule of property plant and equipment useful life |
|  | Useful life (in years)
Buildings (including salt pans) |  | 8 - 20
Plant and machinery (including protective shells, transmission channels and ducts) |  | 3 - 8
Motor vehicles |  | 5
Furniture, fixtures and equipment |  | 3-8
Schedule of earnings per share |
|  | Three-Month Period Ended June 30, |  |  | Six-Month Period Ended June 30,
|  | 2016 |  |  | 2015 |  |  |  | 2016 |  |  |  | 2015 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 13,197,019 |  |  | $ | 10,775,260 |  |  | $ | 19,663,983 |  |  | $ | 16,090,531 |
Denominator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic: Weighted-average common shares outstanding during the period |  |  | 46,008,102 |  |  |  | 45,928,234 |  |  |  | 46,007,611 |  |  |  | 44,313,537 |
Add: Dilutive effect of stock options |  |  | 622,989 |  |  |  | 1,214,839 |  |  |  | 678,098 |  |  |  | 1,005,671 |
Diluted |  |  | 46,631,091 |  |  |  | 47,143,073 |  |  |  | 46,685,709 |  |  |  | 45,319,208 |
Earnings per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.29 |  |  | $ | 0.23 |  |  | $ | 0.43 |  |  | $ | 0.36 |
Diluted |  | $ | 0.28 |  |  | $ | 0.23 |  |  | $ | 0.42 |  |  | $ | 0.36 |

X
- References No definition available. + Details
Name: | gure_ScheduleOfPropertyPlantAndEquipmentServiceLifeTableTextblock
Namespace Prefix: | gure_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration