v3.26.1
Cover
May 15, 2026
Cover [Abstract]  
Entity Registrant Name Pharma-Bio Serv, Inc.
Entity Central Index Key 0001304161
Document Type 8-K
Amendment Flag false
Entity Emerging Growth Company false
Document Period End Date May 15, 2026
Entity File Number 0-50956
Entity Incorporation State Country Code DE
Entity Tax Identification Number 20-0653570
Entity Address Address Line 1 PO Box 1049
Entity Address City Or Town Dorado
Entity Address Country PR
Entity Address Postal Zip Code 00646
City Area Code 787
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Local Phone Number 278-2709