| Document and Entity Information | Jun. 28, 2023 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001750149 |
| Current Fiscal Year End Date | --12-31 |
| Document Type | 8-K |
| Document Period End Date | Jun. 28, 2023 |
| Entity Registrant Name | INHIBIKASE THERAPEUTICS, INC. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-39676 |
| Entity Tax Identification Number | 26-3407249 |
| Entity Address, Address Line One | 3350 Riverwood Parkway SE |
| Entity Address, Address Line Two | Suite 1900 |
| Entity Address, City or Town | Atlanta |
| Entity Address, State or Province | GA |
| Entity Address, Postal Zip Code | 30339 |
| City Area Code | (678) |
| Local Phone Number | 392-3419 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, $0.001 par value |
| Trading Symbol | IKT |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
