| Cover | Feb. 24, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Feb. 24, 2021 |
| Entity Registrant Name | NEOGENOMICS, INC. |
| Entity Central Index Key | 0001077183 |
| Amendment Flag | false |
| Entity Incorporation, State or Country Code | NV |
| Entity File Number | 001-35756 |
| Entity Tax Identification Number | 74-2897368 |
| Entity Address, Address Line One | 12701 Commonwealth Drive, |
| Entity Address, Address Line Two | Suite 9, |
| Entity Address, City or Town | Fort Myers, |
| Entity Address, State or Province | FL |
| Entity Address, Postal Zip Code | 33913 |
| City Area Code | (239) |
| Local Phone Number | 768-0600 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.001 per share |
| Trading Symbol | NEO |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
