SUBSEQUENT EVENTS (Detail Textuals) (Subsequent Event, QS Sale Agreement, USD $)	1 Months Ended
Feb. 28, 2015
Subsequent Event \| QS Sale Agreement
Subsequent Event [Line Items]
Amount received to exchange for assign to lease	$ 1,752,717

Represents the information about amount received in exchange for assigning to the leasing.

No definition available.

Name:	usat_AmountReceivedToExchangeForAssignToLease
Namespace Prefix:	usat_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration