| Cover | Mar. 23, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 23, 2022 |
| Entity File Number | 001-39274 |
| Entity Registrant Name | GAN Limited |
| Entity Central Index Key | 0001799332 |
| Entity Incorporation, State or Country Code | D0 |
| Entity Address, Address Line One | 400 Spectrum Center Drive |
| Entity Address, Address Line Two | Suite 1900 |
| Entity Address, City or Town | Irvine |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92618 |
| City Area Code | (702) |
| Local Phone Number | 964-5777 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Ordinary Shares, par value $0.01 |
| Trading Symbol | GAN |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | true |
