Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
9 Months Ended
Sep. 30, 2021
Nov. 10, 2021
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Sep. 30, 2021  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2021  
Current Fiscal Year End Date --12-31  
Entity File Number 000-21617  
Entity Registrant Name ProPhase Labs, Inc.  
Entity Central Index Key 0000868278  
Entity Tax Identification Number 23-2577138  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 711 Stewart Ave  
Entity Address, Address Line Two Suite 200  
Entity Address, City or Town Garden City  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 11530  
City Area Code (215)  
Local Phone Number 345-0919  
Title of 12(b) Security Common Stock, par value $0.0005  
Trading Symbol PRPH  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   15,511,455