Annual report [Section 13 and 15(d), not S-K Item 405]

Cover

v3.25.2
Cover - USD ($)
 12 Months Ended
Jun. 30, 2025
Sep. 12, 2025
Dec. 31, 2024
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Jun. 30, 2025    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Current Fiscal Year End Date --06-30    
Entity File Number 001-31543    
Entity Registrant Name FLUX POWER HOLDINGS, INC.    
Entity Central Index Key 0001083743    
Entity Tax Identification Number 92-3550089    
Entity Incorporation, State or Country Code NV    
Entity Address, Address Line One 2685 S. Melrose Drive    
Entity Address, City or Town Vista    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 92081    
City Area Code 877    
Local Phone Number 505-3589    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol FLUX    
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    
Entity Shell Company false    
Entity Public Float     $ 19,565,000
Entity Common Stock, Shares Outstanding   16,835,698  
Documents incorporated by reference Certain parts of the Proxy Statement for the Registrant’s next Annual Meeting of Stockholders (the “Proxy Statement”) are incorporated by reference into Part III of this Annual Report on Form 10-K. The Proxy Statement will be filed with the U.S. Securities and Exchange commission within 120 days after the end of the fiscal year to which this report relates.    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Auditor Firm ID 23    
Auditor Name BAKER TILLY US, LLP    
Auditor Location San Diego, California