Flux Power Holdings, Inc. Quarterly report pursuant to Section 13 or 15(d)

WARRANT DERIVATIVE LIABILITY - Fair Value Per Share and Aggregate Value (Detail) (USD $)	Mar. 31, 2015	Jun. 30, 2014
Accounting Policies [Line Items]
Issued Warrants	2,907,347
Estimated Total Fair Value in Aggregate	$ 73,000	$ 571,000
June 2012 Warrants [Member]
Accounting Policies [Line Items]
Issued Warrants	562,551
Estimated Fair Value Per Share	$ 0.03
Estimated Total Fair Value in Aggregate	14,000	110,000
July 2012 Warrants [Member]
Accounting Policies [Line Items]
Issued Warrants	338,013
Estimated Fair Value Per Share	$ 0.03
Estimated Total Fair Value in Aggregate	9,000	67,000
August 2012 Warrants [Member]
Accounting Policies [Line Items]
Issued Warrants	120,719
Estimated Fair Value Per Share	$ 0.03
Estimated Total Fair Value in Aggregate	3,000	24,000
October 2012 Warrants [Member]
Accounting Policies [Line Items]
Issued Warrants	48,287
Estimated Fair Value Per Share	$ 0.03
Estimated Total Fair Value in Aggregate	1,000	10,000
Advisory Agreement Warrants [Member]
Accounting Policies [Line Items]
Issued Warrants	1,837,777
Estimated Fair Value Per Share	$ 0.03
Estimated Total Fair Value in Aggregate	$ 46,000	$ 360,000