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SUBSEQUENT EVENTS (Detail Textuals 1) (USD $) | 0 Months Ended
--- | ---
Jul. 10, 2012
Subsequent Events [Abstract] |
Percentage of minimum prime rate as published in The Wall Street Journal | 2.00%
Line of credit facility, Basis measurement | Prime Rate
Interest rate percentage | 5.00%
Minimum interest payable | $ 20,000
Unrestricted cash balance with the bank | $ 3,000,000

X
- Definition This element represents the carrying amounts of cash and cash equivalent items which are not restricted to withdrawal or usage. + References No definition available. + Details
Name: | usat_LineOfCreditFacilityConditionThreeMinimumUnrestrictedCashAndCashEquivalentsToBeMaintained
Namespace Prefix: | usat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of minimum prime rate. + References No definition available. + Details
Name: | usat_LineOfCreditFacilityInterestRateOneBasisSpreadOnVariableRate
Namespace Prefix: | usat_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the terms of a credit facility arrangement. + References No definition available. + Details
Name: | usat_LineOfCreditFacilityInterestRateOneVariableRateBasis
Namespace Prefix: | usat_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of minimum prime rate of second interest rate. + References No definition available. + Details
Name: | usat_LineOfCreditFacilityInterestRateTwo
Namespace Prefix: | usat_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the required half yearly payment applied to interest. + References No definition available. + Details
Name: | usat_LineOfCreditFacilityMinimumInterestPayableHalfYearly
Namespace Prefix: | usat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration