| Cover | Aug. 03, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 03, 2022 |
| Entity File Number | 0-12305 |
| Entity Registrant Name | KORU Medical Systems, Inc. |
| Entity Central Index Key | 0000704440 |
| Entity Tax Identification Number | 13-3044880 |
| Entity Incorporation, State or Country Code | NY |
| Entity Address, Address Line One | 100 Corporate Drive |
| Entity Address, City or Town | Mahwah |
| Entity Address, State or Province | NJ |
| Entity Address, Postal Zip Code | 07430 |
| City Area Code | 845 |
| Local Phone Number | 469-2042 |
| 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 | KRMD |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
