COMMITMENTS AND CONTINGENCIES (Details)	2 Months Ended
Aug. 31, 2009	May 19, 2009
Legal Proceedings [Abstract]
Number of defendants infringing patents		4
Number of defendants entered into agreement	3

Number of defendants entered into settlement and license agreement with entity.

No definition available.

Name:	plus_NumberOfDefendantsEnteredIntoAgreement
Namespace Prefix:	plus_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration