General form of registration statement for all companies including face-amount certificate companies

Document and Entity Information

v3.10.0.1
Document and Entity Information - USD ($)
6 Months Ended
Jun. 30, 2018
Aug. 07, 2018
Mar. 30, 2018
Document And Entity Information      
Entity Registrant Name Focus Universal Inc.    
Entity Central Index Key 0001590418    
Document Type S-1    
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 Smaller Reporting Company    
Entity Public Float     $ 86,091,018
Entity Common Stock, Shares Outstanding   40,907,010  
Document Fiscal Period Focus Q2    
Document Fiscal Year Focus 2018