v3.26.3
Cover - shares
 3 Months Ended
Mar. 31, 2026
Sep. 29, 2026
Cover [Abstract]    
Document Type 10-Q/A  
Amendment Flag true  
Amendment Description This Amendment No. 1 (the “Amendment”) amends the Quarterly Report on Form 10-Q of Gulf Resources, Inc. (the “Company”) for the fiscal quarter ended March 31, 2026, as filed with the Securities and Exchange Commission on August 28, 2026 (the “Original Filing”). This Amendment is being filed in response to the restatement of the Quarterly Report on Form 10-Q of Gulf Resources, Inc. (the “Company”) for the fiscal quarter ended March 31, 2025. Company would have to update the information for the respective period in 2025. Item 1 of Part I in the Form 10-Q is amended by this Amendment to reflect additional information and revised disclosure requested in the SEC Comment Letter to include revised Notes 1, 6, 7, 13, 14, 19, 23 and 24 to the consolidated financial statements. Item 1A of Part II in the Form 10-Q is amended by this Amendment to reflect additional information and revised disclosures regarding recent regulatory developments in China, government regulation, risk factors. The financial statements included in the Original Filing should no longer be relied upon because of the errors described above. No other information in the Original Filing was incorrectly presented, and this Amendment should be read in conjunction with the Original Filing.   In accordance with Rule 12b-15 of the Securities Exchange Act of 1934, as amended, this Amendment includes new certifications required by Section 302 and Section 906 of the Sarbanes-Oxley Act of 2002, as amended, dated as of the filing date of this Amendment.   Other than as expressly described above, no changes have been made to the Original Filing. This Amendment does not reflect events occurring after the Original Filing.    
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2026  
Current Fiscal Year End Date --12-31  
Entity File Number 001-34499  
Entity Registrant Name GULF RESOURCES, INC.  
Entity Central Index Key 0000885462  
Entity Tax Identification Number 13-3637458  
Entity Incorporation, State or Country Code NV  
Entity Address, Address Line One Level 11  
Entity Address, Address Line Two Vegetable Building  
Entity Address, Address Line Three Industrial Park of the East City  
Entity Address, City or Town Shouguang City  
Entity Address, Country CN  
Entity Address, Postal Zip Code 262700  
Country Region +86  
City Area Code 536  
Local Phone Number 567-0008  
Title of 12(b) Security Common Stock, $0.0005 par value  
Trading Symbol GURE  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   1,813,531