v3.25.2
Cover - shares
 6 Months Ended
Jun. 30, 2025
Aug. 12, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Jun. 30, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Entity Information [Line Items]    
Entity Registrant Name Capstone Holding Corp.  
Entity Central Index Key 0000887151  
Entity File Number 001-41775  
Entity Tax Identification Number 86-0585310  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 5141 W. 122nd Street  
Entity Address, City or Town Alsip  
Entity Address, State or Province IL  
Entity Address, Postal Zip Code 60803  
Entity Phone Fax Numbers [Line Items]    
City Area Code (708)  
Local Phone Number 371-0660  
Entity Listings [Line Items]    
Title of 12(b) Security Common Stock  
Trading Symbol CAPS  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   5,581,205