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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919359-209981

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Period Type:	instant

Term of lessor's sales-type lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Name:	us-gaap_LessorSalesTypeLeaseTermOfContract1
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Lessee, Lease, Term Of Contract

No definition available.

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

Revenue From Contract With Customer, Payment Terms

No definition available.