v3.26.1
Document And Entity Information - shares
6 Months Ended
Jun. 30, 2025
Aug. 10, 2026
Document Information [Line Items]    
Entity Central Index Key 0000887151  
Entity Registrant Name Capstone Holding Corp.  
Amendment Flag true  
Current Fiscal Year End Date --12-31  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2025  
Document Type 10-Q/A  
Amendment Description Amendment No. 1  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-41775  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 86-0585310  
Entity Address, Address Line One 18400 76th Avenue  
Entity Address, City or Town Tinley Park  
Entity Address, State or Province IL  
Entity Address, Postal Zip Code 60477  
City Area Code 708  
Local Phone Number 371-0660  
Title of 12(b) Security Common Stock  
Trading Symbol CAPS  
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 true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   20,578,551