XML 12 R1.htm IDEA: XBRL DOCUMENT v3.22.2.2
Document And Entity Information - USD ($)
 12 Months Ended
Sep. 30, 2022
Dec. 05, 2022
Mar. 31, 2021
Document Information [Line Items]      
Entity Central Index Key 0000924383    
Amendment Flag false    
Current Fiscal Year End Date --09-30    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Sep. 30, 2022    
Document Transition Report false    
Entity File Number 0-24248    
Entity Registrant Name GENASYS INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 87-0361799    
Entity Address, Address Line One 16262 West Bernardo Drive,    
Entity Address, City or Town San Diego    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 92127    
City Area Code 858    
Local Phone Number 676-1112    
Title of 12(b) Security Common stock, $0.00001 par value per share    
Trading Symbol GNSS    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
Entity Public Float     $ 191,676,200
Entity Common Stock, Shares Outstanding   36,703,471  
Auditor Name BAKER TILLY US, LLP    
Auditor Location San Diego, California    
Auditor Firm ID 23