Cover - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Feb. 24, 2020	Jun. 30, 2019
Cover page.
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Entity File Number	001-35756
Entity Registrant Name	NEOGENOMICS, INC.
Entity Incorporation, State or Country Code	NV
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
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	NEO
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 1,900.0
Entity Common Stock, Shares Outstanding		104,831,687
Entity Central Index Key	0001077183
Current Fiscal Year End Date	--12-31
Document Period End Date	Dec. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Amendment Flag	false
Documents Incorporated by Reference	Portions of the registrant’s Proxy Statement for its 2020 Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual Report on Form 10-K.