Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2015
Feb. 29, 2016
Jun. 30, 2015
Document And Entity Information [Abstract]      
Document Type 10-K/A    
Amendment Flag true    
Amendment Description On November 1, 2016, the Audit Committee of the Board of Directors of InfuSystem Holdings, Inc. (the “Company”) concluded, after review and discussion with management, that the Company’s audited financial statements for the fiscal year ended December 31, 2015, and the Company’s unaudited financial statements for each of the fiscal quarters ended March 31, 2015 through June 30, 2016 (collectively, the “Financial Statements”) should no longer be relied upon. This Amendment No. 2 to the Company’s Annual Report on Form 10-K (this “Second Form 10-K/A”) for the fiscal year ended December 31, 2015, which was filed with the U.S. Securities and Exchange Commission (“SEC”) on March 9, 2016 (the “Initial Form 10-K”), as amended by Amendment No. 1 on Form 10-K/A to the Initial Form 10-K filed with the SEC on April 28, 2016 (the “First Form 10-K/A” and, together with the Initial Form 10-K, the “Original Form 10-K”), restates the Company’s consolidated financial statements as of and for the fiscal year ended December 31, 2015, and amend the related notes and disclosures thereto, including the Company’s controls and procedures.    
Document Period End Date Dec. 31, 2015    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY    
Trading Symbol INFU    
Entity Registrant Name InfuSystem Holdings, Inc    
Entity Central Index Key 0001337013    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Smaller Reporting Company    
Entity Common Stock, Shares Outstanding   22,541,890  
Entity Public Float     $ 64,370,857