v3.22.2.2
Cover
Sep. 28, 2022
Cover [Abstract]  
Document Type 8-K/A
Amendment Flag false
Document Period End Date Sep. 28, 2022
Entity File Number 001-31918
Entity Registrant Name Idera Pharmaceuticals, Inc.
Entity Central Index Key 0000861838
Entity Tax Identification Number 04-1187261
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 505 Eagleview Blvd
Entity Address, Address Line Two Suite 212
Entity Address, City or Town Exton
Entity Address, State or Province PA
Entity Address, Postal Zip Code 19341
City Area Code 484
Local Phone Number 348-1600
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock, $0.001 Par Value
Trading Symbol IDRA
Security Exchange Name NASDAQ
Entity Emerging Growth Company false