XML 90 R67.htm IDEA: XBRL DOCUMENT
v3.20.1

15. BUSINESS SEGMENTS (Details 2) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Shandong Morui Chemical Company Limited |  |
Revenue from major customer | $ 2,378 | $ 811
Percentage of total revenue (%) | 22.60% | 31.00%
Shandong Morui Chemical Company Limited | Bromine Segment |  |
Revenue from major customer | $ 2,203 | $ 0
Shandong Morui Chemical Company Limited | Crude Salt Segment |  |
Revenue from major customer | 175 | 656
Shandong Morui Chemical Company Limited | Chemical Products Segment |  |
Revenue from major customer | 0 | 155
Shouguang Weidong Chemical Company Limited |  |
Revenue from major customer | $ 1,783 | $ 543
Percentage of total revenue (%) | 16.90% | 21.00%
Shouguang Weidong Chemical Company Limited | Bromine Segment |  |
Revenue from major customer | $ 1,629 | $ 0
Shouguang Weidong Chemical Company Limited | Crude Salt Segment |  |
Revenue from major customer | 154 | 543
Shouguang Weidong Chemical Company Limited | Chemical Products Segment |  |
Revenue from major customer | 0 | 0
Shandong Brother Technology Limited, Kuerle Xingdong Trading Limited |  |
Revenue from major customer | $ 1,732 | $ 783
Percentage of total revenue (%) | 16.40% | 30.00%
Shandong Brother Technology Limited, Kuerle Xingdong Trading Limited | Bromine Segment |  |
Revenue from major customer | $ 1,539 | $ 0
Shandong Brother Technology Limited, Kuerle Xingdong Trading Limited | Crude Salt Segment |  |
Revenue from major customer | 192 | 783
Shandong Brother Technology Limited, Kuerle Xingdong Trading Limited | Chemical Products Segment |  |
Revenue from major customer | 0 | $ 0
Dongying Bomeite Chemical Company Limited |  |
Revenue from major customer | $ 1,098 |
Percentage of total revenue (%) | 10.40% |
Dongying Bomeite Chemical Company Limited | Bromine Segment |  |
Revenue from major customer | $ 1,098 |
Dongying Bomeite Chemical Company Limited | Crude Salt Segment |  |
Revenue from major customer | 0 |
Dongying Bomeite Chemical Company Limited | Chemical Products Segment |  |
Revenue from major customer | 0 |
Shandong Shouguang Shenrunfa Ocean Chemical Company Limited |  |
Revenue from major customer | $ 1,297 |
Percentage of total revenue (%) | 12.30% |
Shandong Shouguang Shenrunfa Ocean Chemical Company Limited | Bromine Segment |  |
Revenue from major customer | $ 1,297 |
Shandong Shouguang Shenrunfa Ocean Chemical Company Limited | Crude Salt Segment |  |
Revenue from major customer | 0 |
Shandong Shouguang Shenrunfa Ocean Chemical Company Limited | Chemical Products Segment |  |
Revenue from major customer | $ 0 |

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_MajorCustomersAxis=GURE_ShandongMaroiChemicalCompanyLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=GURE_BromineSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=GURE_CrudeSaltSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=GURE_ChemicalProductsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=GURE_ShouguangWeidongMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=GURE_ShandongBrotherTechnologyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=GURE_DongyingBomeiteChemicalCompanyLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=GURE_ShandongShouguangShenrunfaOceanChemicalCompanyLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |