Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
6 Months Ended
Jun. 30, 2018
Jul. 13, 2018
Document And Entity Information    
Entity Registrant Name M I Acquisitions, Inc.  
Entity Central Index Key 0001653558  
Document Type 10-Q  
Trading Symbol MACQU  
Document Period End Date Jun. 30, 2018  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity a Well-known Seasoned Issuer No  
Entity a Voluntary Filer Yes  
Entity's Reporting Status Current Yes  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   6,681,512
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2018