| Document and Entity Information | May 23, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 23, 2023 |
| 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 | 11495 Valley View Road |
| Entity Address, City or Town | Eden Prairie |
| Entity Address, State or Province | MN |
| Entity Address, Postal Zip Code | 55344 |
| City Area Code | 770 |
| Local Phone Number | 419-7525 |
| Entity Emerging Growth Company | false |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
