| Cover | Mar. 07, 2022 | Mar. 07, 2022 |
| Cover [Abstract] | ||
| Document Type | 8-K | |
| Document Period End Date | Mar. 8, 2022 | |
| Entity Registrant Name | OPTINOSE, INC. | |
| Entity Incorporation, State or Country Code | DE | |
| Entity File Number | 001-38241 | |
| Entity Tax Identification Number | 42-1771610 | |
| Entity Address, Address Line One | 1020 Stony Hill Road | |
| Entity Address, Address Line Two | Suite 300 | |
| Entity Address, City or Town | Yardley | |
| Entity Address, State or Province | PA | |
| Entity Address, Postal Zip Code | 19067 | |
| City Area Code | 267 | |
| Local Phone Number | 364-3500 | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Entity Emerging Growth Company | true | |
| Entity Ex Transition Period | true | |
| Title of 12(b) Security | Common stock, par value $0.001 per share | |
| Trading Symbol | OPTN | |
| Security Exchange Name | NASDAQ | |
| Entity Central Index Key | 0001494650 | |
| Amendment Flag | false |
