v3.26.1
Document And Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 20, 2026
Jun. 30, 2025
Document Information [Line Items]      
Entity Central Index Key 0001716621    
Entity Registrant Name Catheter Precision, Inc.    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Document Transition Report false    
Entity File Number 001-38677    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 38-3661826    
Entity Address, Address Line One 1670 Highway 160 West, Suite 205    
Entity Address, City or Town Fort Mill    
Entity Address, State or Province SC    
Entity Address, Postal Zip Code 29708    
City Area Code 973    
Local Phone Number 691-2000    
Title of 12(b) Security Common Stock, $0.0001 par value    
Trading Symbol VTAK    
Security Exchange Name NYSEAMER    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 3,900,000
Entity Common Stock, Shares Outstanding   2,692,473  
Auditor Name WithumSmith+Brown, PC    
Auditor Location East Brunswick, New Jersey    
Auditor Firm ID 100