XML 12 R1.htm IDEA: XBRL DOCUMENT v3.10.0.1
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2018
Aug. 06, 2018
Document And Entity Information    
Entity Registrant Name GULF RESOURCES, INC.  
Entity Central Index Key 0000885462  
Document Type 10-Q  
Document Period End Date Jun. 30, 2018  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Is Entity a Well-known Seasoned Issuer? No  
Is Entity a Voluntary Filer? No  
Is Entity's Reporting Status Current? Yes  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   46,803,791
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2018