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Consolidated Statements of Shareholders' Equity (Unaudited) (Parenthetical) $ in Thousands | 9 Months Ended
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Mar. 31, 2018 USD ($)
Statement Of Stockholders Equity [Abstract] |
Offering costs incurred | $ 3,237

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- References No definition available. + Details
Name: | us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of offering cost incurred on issuance of stock. + References No definition available. + Details
Name: | usat_StockIssuanceCost
Namespace Prefix: | usat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration