v3.10.0.1
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2018
Aug. 06, 2018
Document and Entity Information [Abstract]    
Entity Registrant Name CHF Solutions, Inc.  
Entity Central Index Key 0001506492  
Document Type 10-Q  
Document Period End Date Jun. 30, 2018  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   7,074,362
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q2