ACCOUNTING POLICIES - Finance Receivables (Details)	12 Months Ended
Jun. 30, 2019
Accounting Policies [Abstract]
Term of notes receivable or quick start leases	60 months

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.

No definition available.

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