FINANCE RECEIVABLES - Summary of Finance receivables Fiscal Years (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Receivables [Abstract]
2020	$ 6,584
2021	4,041
2022	3,833
2023	2,635
2024	1,133
Thereafter	236
Total finance receivables	$ 18,462	$ 17,861

Amount, before allowance for credit loss, of financing receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447

+ Details

Name:	us-gaap_NotesReceivableGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_ReceivablesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents amount of notes and loans receivables due thereafter the fifth fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

Name:	usat_NotesAndLoansReceivableDueThereafter
Namespace Prefix:	usat_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents amount of notes and loans receivables due in the next fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

Name:	usat_NotesAndLoansReceivableInNextTwelveMonths
Namespace Prefix:	usat_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents amount of notes and loans receivables due in the fifth fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

Name:	usat_NotesAndLoansReceivableInYearFive
Namespace Prefix:	usat_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents amount of notes and loans receivables due in the fourth fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

Name:	usat_NotesAndLoansReceivableInYearFour
Namespace Prefix:	usat_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents amount of notes and loans receivables due in the three fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

Name:	usat_NotesAndLoansReceivableInYearThree
Namespace Prefix:	usat_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents amount of notes and loans receivables due in the second fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

Name:	usat_NotesAndLoansReceivableInYearTwo
Namespace Prefix:	usat_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant