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ACCOUNTING POLICIES (Detail Textuals)	12 Months Ended
	Jun. 30, 2014
Accounting Policies [Abstract]
Original maturities of all highly liquid investments represent cash equivalents	three months or less
Term of notes receivable or quick start leases	60 months

X

- Definition

Notes Receivable and Quick Start Leases Period of contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	usat_NotesReceivableOrQuickStartLeasesTermOfContract
Namespace Prefix:	usat_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents original maturities of All highly liquid investments represent Cash equivalents.

+ References

No definition available.

+ Details

Name:	usat_OriginalMaturitiesOfAllHighlyLiquidInvestmentsRepresentCashEquivalents
Namespace Prefix:	usat_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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