| Cover | Mar. 28, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 28, 2022 |
| Entity File Number | 000-06814 |
| Entity Registrant Name | US ENERGY CORP |
| Entity Central Index Key | 0000101594 |
| Entity Tax Identification Number | 83-0205516 |
| Entity Incorporation, State or Country Code | WY |
| Entity Address, Address Line One | 675 Bering Drive |
| Entity Address, Address Line Two | Suite 100 |
| Entity Address, City or Town | Houston |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77057 |
| City Area Code | (303) |
| Local Phone Number | 993-3200 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.01 par value |
| Trading Symbol | USEG |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
