XML 38 R28.htm IDEA: XBRL DOCUMENT
v3.22.1

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
Accounting Policies [Abstract] |
Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Property, Plant and Equipment Useful Life | The Company’s depreciation and amortization policies on property, plant and equipment, other than mineral rights and construction in process, are as follows: Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Property, Plant and Equipment Useful Life
Minimum Maximum |  | Useful life (in years)
Buildings (including salt pans) |  |  | 8 - 20 |
Plant and machinery (including protective shells, transmission channels and ducts) |  |  | 3 - 8 |
Motor vehicles Motor Vehicles |  |  | 5 |
Furniture, fixtures and equipment |  |  | 3-8 |

X
- Definition Tabular disclosure of the property, plant and equipment useful life. + References No definition available. + Details
Name: | GURE_ScheduleOfPropertyPlantAndEquipmentServiceLifeTableTextblock
Namespace Prefix: | GURE_
Data Type: | dtr-types: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