INVESTMENTS (Details)	12 Months Ended
Sep. 30, 2012
INVESTMENTS [Abstract]
Maximum maturity days for unrestricted investments to classify as cash equivalents	90 days

This line item represents the maximum maturity days for unrestricted investments to classify them as cash equivalents.

No definition available.

Name:	opay_MaximumMaturityDaysForUnrestrictedInvestmentsToClassifyAsCashEquivalents
Namespace Prefix:	opay_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration