| Document and Entity Information | Mar. 05, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | Quotient Ltd |
| Entity Tax Identification Number | 00-0000000 |
| Amendment Flag | false |
| Entity Central Index Key | 0001596946 |
| Document Type | 8-K |
| Document Period End Date | Mar. 5, 2021 |
| Entity Incorporation State Country Code | Y9 |
| Entity File Number | 001-36415 |
| Entity Address, Address Line One | B1 |
| Entity Address, Address Line Two | Business Park Terre Bonne |
| Entity Address, Address Line Three | Route de Crassier 13 |
| Entity Address, City or Town | 1262 Eysins |
| Entity Address, Postal Zip Code | 1262 |
| Entity Address, Country | CH |
| City Area Code | 011-41 |
| Local Phone Number | 22-716-9800 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Ordinary Shares, nil par value |
| Trading Symbol | QTNT |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
