Cover
Cover | Apr. 21, 2021 |
Cover [Abstract] | |
Document Type | 8-K |
Amendment Flag | false |
Document Period End Date | Apr. 21, 2021 |
Entity File Number | 000-09587 |
Entity Registrant Name | ELECTRO-SENSORS, INC. |
Entity Central Index Key | 0000351789 |
Entity Tax Identification Number | 41-0943459 |
Entity Incorporation State Country Code | MN |
Entity Address Address Line 1 | 6111 Blue Circle DriveĀ |
Entity Address City Or Town | Minnetonka |
Entity Address State Or Province | MN |
Entity Address Postal Zip Code | 55343-9108 |
City Area Code | (952) |
Local Phone Number | 930-0100 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security12b Title | Common stock |
Trading Symbol | ELSE |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |