| Document And Entity Information | Dec. 10, 2021 |
| Document Information [Line Items] | |
| Entity, Registrant Name | WaveDancer, Inc. |
| Document, Type | 8-K/A |
| Document, Period End Date | Dec. 10, 2021 |
| Entity, Incorporation, State or Country Code | DE |
| Entity, File Number | 000-22405 |
| Entity, Tax Identification Number | 54-1167364 |
| Entity, Address, Address Line One | 12015 Lee Jackson Memorial Highway, Ste 210 |
| Entity, Address, City or Town | Fairfax |
| Entity, Address, State or Province | VA |
| Entity, Address, Postal Zip Code | 22033 |
| City Area Code | 703 |
| Local Phone Number | 383-3000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | WAVD |
| Security Exchange Name | NASDAQ |
| Entity, Emerging Growth Company | false |
| Amendment Description | Form 8-K/A date of report 12-10-21 |
| Amendment Flag | true |
| Entity, Central Index Key | 0000803578 |
