v3.26.1
Cover - shares
3 Months Ended
Mar. 31, 2026
May 08, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 000-42552  
Entity Registrant Name SANUWAVE Health, Inc.  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 20-1176000  
Entity Address, Address Line One 9600 W. 76th St, Ste 118  
Entity Address, City or Town Eden Prairie  
Entity Address, State or Province MN  
Entity Address, Postal Zip Code 55344  
City Area Code 952  
Local Phone Number 656-1029  
Title of 12(b) Security Common Stock, par value $0.001 per share  
Trading Symbol SNWV  
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   8,598,976
Amendment Flag false  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Central Index Key 0001417663  
Current Fiscal Year End Date --12-31