SUBSEQUENT EVENTS - 2015 INCENTIVE PLANS (Detail Textuals 3) (Subsequent Event, 2015 Short-Term Incentive Plan)	1 Months Ended
Aug. 28, 2014
Subsequent Event \| 2015 Short-Term Incentive Plan
Subsequent Event [Line Items]
Percentage of weighting adjusted EBITDA	50.00%

This element represents percentage of weighting adjusted earnings before interest taxes depreciation and amortization.

No definition available.

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