v3.22.4
Document and Entity Information
Jan. 26, 2023
Document and Entity Information [Abstract]  
Document Type 8-K
Document Period End Date Jan. 26, 2023
Entity File Number 001-36576
Entity Registrant Name Marinus Pharmaceuticals, Inc.
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 20-0198082
Entity Address State Or Province PA
Entity Address, Address Line One 5 Radnor Corporate Center
Entity Address, Adress Line Two Suite 500
Entity Address, Address Line Three 100 Matsonford Rd
Entity Address, City or Town Radnor
Entity Address, Postal Zip Code 19087
City Area Code 484
Local Phone Number 801-4670
Title of 12(b) Security Common Stock, par value $0.001
Trading Symbol MRNS
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0001267813
Amendment Flag false
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false