| Document and Entity Information | Nov. 08, 2021 |
| Cover [Abstract] | |
| Security Exchange Name | NASDAQ |
| Amendment Flag | false |
| Entity Central Index Key | 0001537917 |
| Document Type | 8-K |
| Document Period End Date | Nov. 8, 2021 |
| Entity Registrant Name | Tyme Technologies, Inc. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-38169 |
| Entity Tax Identification Number | 45-3864597 |
| Entity Address, Address Line One | 1 Pluckemin Way |
| Entity Address, Address Line Two | Suite 103 |
| Entity Address, City or Town | Bedminster |
| Entity Address, State or Province | NJ |
| Entity Address, Postal Zip Code | 07921 |
| City Area Code | (212) |
| Local Phone Number | 461-2315 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, $0.0001 par value |
| Trading Symbol | TYME |
| Entity Emerging Growth Company | false |
