Document And Entity Information	Aug. 03, 2022
Cover [Abstract]
Document Type	8-K
Amendment Flag	false
Document Period End Date	Aug. 03, 2022
Entity Registrant Name	Vapotherm, Inc.
Entity Central Index Key	0001253176
Entity Emerging Growth Company	false
Entity File Number	001-38740
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	46-2259298
Entity Address, Address Line One	100 Domain Drive
Entity Address, City or Town	Exeter
Entity Address, State or Province	NH
Entity Address, Postal Zip Code	03833
City Area Code	603
Local Phone Number	658-0011
Entity Information, Former Legal or Registered Name	Not Applicable
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 per value per share
Trading Symbol	VAPO
Security Exchange Name	NYSE