| Cover | Mar. 17, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 17, 2023 |
| Entity File Number | 001-37659 |
| Entity Registrant Name | INTERLINK ELECTRONICS, INC. |
| Entity Central Index Key | 0000828146 |
| Entity Tax Identification Number | 77-0056625 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 1 Jenner |
| Entity Address, Address Line Two | Suite 200 |
| Entity Address, City or Town | Irvine |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92618 |
| City Area Code | 805 |
| Local Phone Number | 484-8855 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.001 par value |
| Trading Symbol | LINK |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
