| Document And Entity Information | Feb. 27, 2024 |
| Document Information [Line Items] | |
| Entity, Registrant Name | DIGIMARC CORPORATION |
| Document, Type | 8-K |
| Document, Period End Date | Feb. 27, 2024 |
| Entity, Incorporation, State or Country Code | OR |
| Entity, File Number | 001-34108 |
| Entity, Tax Identification Number | 26-2828185 |
| Entity, Address, Address Line One | 8500 SW Creekside Place |
| Entity, Address, City or Town | Beaverton |
| Entity, Address, State or Province | OR |
| Entity, Address, Postal Zip Code | 97008 |
| City Area Code | 503 |
| Local Phone Number | 469-4800 |
| 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 | DMRC |
| Security Exchange Name | NASDAQ |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001438231 |
