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COMMITMENTS AND CONTINGENCIES (10K) (Detail Textuals) - Third-party finance company - Lease | 1 Months Ended | 12 Months Ended
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Jun. 30, 2014 | Jun. 30, 2016
Commitment And Contingency [Line Items] |  |
Number of sale leaseback agreements | 6 |
Agreement lease term |  | 36-month

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- Definition A description of the terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6456341&loc=d3e50796-112755 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition This element represents number of sale leaseback agreement. + References No definition available. + Details
Name: | usat_NumberOfSaleLeasebackAgreement
Namespace Prefix: | usat_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | dei_LegalEntityAxis=usat_VarileaseFinanceIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |