Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.8.0.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2018
May 10, 2018
Document And Entity Information    
Entity Registrant Name Black Ridge Acquisition Corp.  
Entity Central Index Key 0001708341  
Document Type 10-Q  
Trading Symbol BRACU  
Document Period End Date Mar. 31, 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   17,695,000
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2018