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Cover Page - shares
 6 Months Ended
Jun. 30, 2025
Aug. 05, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-33637  
Entity Registrant Name Cumberland Pharmaceuticals Inc.  
Entity Incorporation, State or Country Code TN  
Entity Tax Identification Number 62-1765329  
Entity Address, Address Line One 1600 West End Avenue  
Entity Address, Address Line Two Suite 1300  
Entity Address, City or Town Nashville  
Entity Address, State or Province TN  
Entity Address, Postal Zip Code 37203  
City Area Code 615  
Local Phone Number 255-0068  
Title of 12(b) Security Common stock, no par value  
Trading Symbol CPIX  
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   14,959,937
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Central Index Key 0001087294  
Current Fiscal Year End Date --12-31