Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2022	May 25, 2022
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Document Transition Report	false
Entity File Number	000-52985
Entity Registrant Name	SANUWAVE Health, Inc.
Entity Central Index Key	0001417663
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	20-1176000
Entity Address, Address Line One	3360 Martin Farm Road
Entity Address, Address Line Two	Suite 100
Entity Address, City or Town	Suwanee
Entity Address, State or Province	GA
Entity Address, Postal Zip Code	30024
City Area Code	770
Local Phone Number	419-7525
Entity Current Reporting Status	No
Entity Interactive Data Current	No
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		517,195,705