v3.23.1
Cover
Mar. 21, 2023
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 21, 2023
Entity File Number 1-13738
Entity Registrant Name PSYCHEMEDICS CORPORATION
Entity Central Index Key 0000806517
Entity Tax Identification Number 58-1701987
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 289 Great Road
Entity Address, City or Town Acton
Entity Address, State or Province MA
Entity Address, Postal Zip Code 01720
City Area Code 978
Local Phone Number 206-8220
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock. $0.005 par value
Trading Symbol PMD
Security Exchange Name NASDAQ
Entity Emerging Growth Company false