COMMON STOCK - LPC Agreement (Detail Textuals 2) (LPC Agreement, USD $)	1 Months Ended	12 Months Ended
Jul. 27, 2010	Jun. 30, 2011
LPC Agreement
Common Stock Public and Private Placement Offerings [Line Items]
Maximum shares of common stock sold	4,851,408
Aggregate purchase price	$ 5,000,000
Number of shares issued as commitment fee		150,000

Number of common stock shares issued as consideration for cash during the period.

No definition available.

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