Document and Entity Information - USD ($)	12 Months Ended
	Jun. 30, 2017	Aug. 07, 2017	Dec. 31, 2016
Document and Entity Information [Abstract]
Entity Registrant Name	USA TECHNOLOGIES INC
Entity Central Index Key	0000896429
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Current Fiscal Year End Date	--06-30
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding		50,017,368
Entity Public Float			$ 167,436,169
Document Type	10-K
Document Period End Date	Jun. 30, 2017
Amendment Flag	false
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY