XML 42 R31.htm IDEA: XBRL DOCUMENT
v3.21.1

5. FINANCE LEASE RIGHT-OF-USE ASSETS (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Leases [Abstract] |
Property, plant and equipment under capital leases |
|  | March 31, 2021 |  | December 31, 2020
At cost: |  |  |  |  |  |  |  |
Buildings |  | $ | 125,231 |  |  | $ | 126,120 |
Plant and machinery |  |  | 2,290,926 |  |  |  | 2,307,184 |
Total |  |  | 2,416,157 |  |  |  | 2,433,304 |
Less: Accumulated depreciation and amortization |  |  | (2,232,607 | ) |  |  | (2,247,032 | )
Net book value |  | $ | 183,550 |  |  | $ | 186,272 |

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

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