v3.25.1
Cover
Jun. 03, 2025
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 03, 2025
Entity File Number 001-33417
Entity Registrant Name Ocean Power Technologies, Inc.
Entity Central Index Key 0001378140
Entity Tax Identification Number 22-2535818
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 28 Engelhard Drive
Entity Address, Address Line Two Suite B
Entity Address, City or Town Monroe Township
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 08831
City Area Code (609)
Local Phone Number 730-0400
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock, $0.001 Par Value  
Title of 12(b) Security Common Stock, $0.001 Par Value
Trading Symbol OPTT
Security Exchange Name NYSEAMER
Series A Preferred Stock Purchase Rights  
Title of 12(b) Security Series A Preferred Stock Purchase Rights
Trading Symbol N/A
Security Exchange Name NYSEAMER