Document and Entity Information - USD ($)	12 Months Ended
	Jun. 30, 2019	Sep. 19, 2019	Dec. 31, 2018
Document and Entity Information [Abstract]
Entity Registrant Name	USA TECHNOLOGIES INC
Entity Central Index Key	0000896429
Document Type	10-K/A
Document Period End Date	Jun. 30, 2019
Amendment Flag	true
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Current Fiscal Year End Date	--06-30
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 227,255,418
Entity Common Stock, Shares Outstanding		60,008,481
Amendment Description	This Amendment No. 1 on Form 10-K/A (“Amendment No. 1”) amends our Annual Report on Form 10-K for the fiscal year ended June 30, 2019, as filed with the U.S. Securities and Exchange Commission on October 9, 2019 (the “Original Filing” and the “Original Filing Date”). This Amendment No. 1 is being filed to include an explanatory paragraph pursuant to AS 2820: “Evaluating Consistency of Financial Statements” on BDO USA, LLP's “Report of Independent Registered Public Accounting Firm” referring to the financial statement restatements discussed in the Original Filing and to include additional discussion around the non-investigatory financial adjustments disclosed in Note 2, “Restatement of Consolidated Financial Statements”. Pursuant to Rule 12b-15 promulgated under the Securities Exchange Act of 1934, as amended, we have included the entire text of Part II, Item 8 in this Amendment No. 1. The inclusion of the explanatory paragraph to the report of BDO USA, LLP does not affect BDO USA, LLP’s unqualified opinion on the Company’s financial statements included in the Original Filing and Amendment No. 1 or on the effectiveness of the Company’s internal control over financial reporting as of June 30, 2019. Part IV, Item 15 has been included herein to reflect a new Consent of BDO USA, LLP and new certifications pursuant to Section 302 and Section 906 of the Sarbanes-Oxley Act of 2002, which are filed and furnished herewith, respectively. Because this Amendment No. 1 does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation S-K, paragraphs 4 and 5 of the certifications pursuant to Section 302 have been omitted. Except as indicated in this Explanatory Note, no other changes were made to the Original Filing. This Amendment No. 1 speaks as of the Original Filing Date, and does not reflect events that may have occurred subsequent to the Original Filing Date.