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Document and Entity Information
Mar. 27, 2023
Cover [Abstract]  
Security Exchange Name NASDAQ
Amendment Flag false
Entity Central Index Key 0000872912
Document Type 8-K
Document Period End Date Mar. 27, 2023
Entity Registrant Name DELCATH SYSTEMS, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-16133
Entity Tax Identification Number 06-1245881
Entity Address, Address Line One 1633 Broadway
Entity Address, Address Line Two Suite 22C
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10019
City Area Code (212)
Local Phone Number 489-2100
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $.01 par value
Trading Symbol DCTH
Entity Emerging Growth Company false