Cover
Jan. 12, 2023
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jan. 12, 2023
Entity Registrant Name 9 Meters Biopharma, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-37797
Entity Tax Identification Number 27-3948465
City Area Code 919
Local Phone Number 275-1933
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock $0.0001 Par Value
Trading Symbol NMTR
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0001551986
Amendment Flag false
Entity Addresses [Line Items]  
Entity Address, Address Line One 4509 Creedmoor Road
Entity Address, Address Line Two Suite 201
Entity Address, City or Town Raleigh
Entity Address, State or Province NC
Entity Address, Postal Zip Code 27612
Former Address  
Entity Addresses [Line Items]  
Entity Address, Address Line One 8480 Honeycutt Road
Entity Address, Address Line Two Suite 120
Entity Address, City or Town Raleigh
Entity Address, State or Province NC
Entity Address, Postal Zip Code 27615