XML 83 R73.htm IDEA: XBRL DOCUMENT
v3.23.2

Business Segments - Schedule of Revenue by Major Customers (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | $ 8,005,782 | $ 15,711,714 | $ 17,307,789 | $ 24,642,451
Shandong Morui Chemical Company Limited | Revenue | Customer |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Percentage of total revenue | 18.80% | 15.70% | 17.10% | 15.10%
Shouguang Weidong Chemical Company Limited | Revenue | Customer |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Percentage of total revenue | 16.50% | 12.80% | 15.70% | 11.50%
Shandong Brother Technology Limited | Revenue | Customer |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Percentage of total revenue | 16.30% | 14.80% | 16.10% | 13.60%
Shandong Shouguangshen Runfa Marine Chemical Company Limited | Revenue | Customer |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Percentage of total revenue | 13.10% |  | 11.70% |
Bromine |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | $ 7,356,347 | $ 13,893,810 | $ 15,826,719 | $ 22,019,825
Bromine | Shandong Morui Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 1,221,000 | 1,812,000 | 2,397,000 | 2,752,000
Bromine | Shouguang Weidong Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 1,130,000 | 1,510,000 | 2,315,000 | 2,128,000
Bromine | Shandong Brother Technology Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 1,129,000 | 1,661,000 | 2,311,000 | 2,443,000
Bromine | Shandong Shouguangshen Runfa Marine Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 1,052,000 |  | 2,015,000 |
Crude Salt |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 649,435 | 1,817,904 | 1,398,116 | 2,571,948
Crude Salt | Shandong Morui Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 283,000 | 652,000 | 544,000 | 965,000
Crude Salt | Shouguang Weidong Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 192,000 | 497,000 | 395,000 | 697,000
Crude Salt | Shandong Brother Technology Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 174,000 | 668,000 | 459,000 | 909,000
Crude Salt | Shandong Shouguangshen Runfa Marine Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 0 |  | 0 |
Chemical Products |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Chemical Products | Shandong Morui Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Chemical Products | Shouguang Weidong Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Chemical Products | Shandong Brother Technology Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Chemical Products | Shandong Shouguangshen Runfa Marine Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 0 |  | 0 |
Total Revenue | Shandong Morui Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 1,504,000 | 2,464,000 | 2,941,000 | 3,717,000
Total Revenue | Shouguang Weidong Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 1,322,000 | 2,007,000 | 2,710,000 | 2,825,000
Total Revenue | Shandong Brother Technology Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 1,303,000 | $ 2,329,000 | 2,770,000 | $ 3,352,000
Total Revenue | Shandong Shouguangshen Runfa Marine Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | $ 1,052,000 |  | $ 2,015,000 |

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://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-21 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-20 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482861/275-10-50-18 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482861/275-10-50-20 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-28 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(B)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-05(b)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479557/942-235-S99-1 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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