v3.25.2
Cover - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2025
Sep. 07, 2025
Dec. 31, 2024
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Financial Statement Error Correction [Flag] false    
Entity Interactive Data Current Yes    
ICFR Auditor Attestation Flag false    
Amendment Flag false    
Document Period End Date Jun. 30, 2025    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Documents Incorporated by Reference [Text Block]

None.

    
Entity Information [Line Items]      
Entity Registrant Name AELUMA, INC.    
Entity Central Index Key 0001828805    
Entity File Number 001-42570    
Entity Tax Identification Number 85-2807351    
Entity Incorporation, State or Country Code DE    
Current Fiscal Year End Date --06-30    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Shell Company false    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Public Float     $ 77.8
Entity Contact Personnel [Line Items]      
Entity Address, Address Line One 27 Castilian Drive    
Entity Address, City or Town Goleta    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 93117    
Entity Phone Fax Numbers [Line Items]      
City Area Code (805)    
Local Phone Number 351-2707    
Entity Listings [Line Items]      
Title of 12(b) Security Common Stock, par value $0.0001 per share    
Trading Symbol ALMU    
Security Exchange Name NASDAQ    
Entity Common Stock, Shares Outstanding   15,892,887