| Cover | Oct. 10, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Oct. 10, 2022 |
| Entity File Number | 001-41248 |
| Entity Registrant Name | Knightscope, Inc. |
| Entity Central Index Key | 0001600983 |
| Entity Tax Identification Number | 46-2482575 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 1070 Terra Bella Avenue |
| Entity Address, City or Town | Mountain View |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94043 |
| City Area Code | 650 |
| Local Phone Number | 924-1025 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class A Common Stock, par value $0.001 per share |
| Trading Symbol | KSCP |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
