COMMON STOCK - Recommendation of the Compensation Committee (Detail Textuals 10)	0 Months Ended
Sep. 15, 2011	Sep. 05, 2012 Fiscal Year 2013 Performance Share Plan (the "2013 Performance Plan") Mr. Herbert	Sep. 05, 2012 Fiscal Year 2013 Performance Share Plan (the "2013 Performance Plan") Mr. DeMedio
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of eligible shares awarded relating to total number of connections (in percentage)	30.00%
Number of eligible shares awarded relating to total revenues (in percentage)	30.00%
Number of eligible shares awarded relating to operating expenses (in percentage)	10.00%
Number of eligible shares awarded relating to operating earnings (in percentage)	30.00%
Number of shares awarded, if all of the target performance goals are achieved (in shares)		275,000	100,000
Number of shares awarded, if minimum threshold performance target goals achieved (in shares)		75,000	25,000
Number of shares awarded, if maximum target performance goals are achieved (in shares)		550,000	200,000

- Definition

Number of shares awarded to the executive officers if all of the target performance goals are achieved during the period.

+ References

No definition available.

+ Details

Name:	usat_NumberOfSharesAwardedIfGivenThresholdPerformanceTargetGoalsAchieved
Namespace Prefix:	usat_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares awarded to the executive officers if all of the target performance goals are achieved during the period.

+ References

No definition available.

+ Details

Name:	usat_NumberOfSharesAwardedIfMaximumThresholdPerformanceTargetGoalsAchieved
Namespace Prefix:	usat_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of shares awarded if minimum threshold target goals are achieved.

+ References

No definition available.

+ Details

Name:	usat_NumberOfSharesAwardedIfMinimumThresholdPerformanceTargetGoalsAchieved
Namespace Prefix:	usat_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of eligible shares to be awarded to the executives relating to the operating earnings expressed as a percentage during the reporting period.

+ References

No definition available.

+ Details

Name:	usat_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesRelatingToOperatingEarningsPercent
Namespace Prefix:	usat_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of eligible shares to be awarded to the executives relating to the operating expenses expressed as a percentage during the reporting period.

+ References

No definition available.

+ Details

Name:	usat_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesRelatingToOperatingExpensesPercent
Namespace Prefix:	usat_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of eligible shares to be awarded to the executives relating to the total number of connections expressed as a percentage during the reporting period.

+ References

No definition available.

+ Details

Name:	usat_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesRelatingToTotalNumberOfConnectionsPercent
Namespace Prefix:	usat_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of eligible shares to be awarded to the executives relating to the total revenues expressed as a percentage during the reporting period.

+ References

No definition available.

+ Details

Name:	usat_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesRelatingToTotalRevenuesPercent
Namespace Prefix:	usat_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration