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v3.19.3.a.u2

Document and Entity Information | 9 Months Ended
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Sep. 30, 2019
Cover [Abstract] |
Entity Registrant Name | DELCATH SYSTEMS, INC.
Entity Central Index Key | 0000872912
Entity Filer Category | Non-accelerated Filer
Entity Small Business | true
Entity Emerging Growth Company | false
Entity Incorporation, State or Country Code | DE
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
Document Type | S-1
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