v3.22.2.2
Cover
Sep. 30, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 30, 2022
Entity File Number 1-13412
Entity Registrant Name HUDSON TECHNOLOGIES INC /NY
Entity Central Index Key 0000925528
Entity Tax Identification Number 13-3641539
Entity Incorporation, State or Country Code NY
Entity Address, Address Line One 300 Tice Boulevard
Entity Address, Address Line Two Suite 290
Entity Address, City or Town Woodcliff Lake
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 07677
City Area Code 845
Local Phone Number 735-6000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.01 par value
Trading Symbol HDSN
Security Exchange Name NASDAQ
Entity Emerging Growth Company false