XML 26 R24.htm IDEA: XBRL DOCUMENT v2.4.0.6

Commitments and Contingencies (Details Textual) (Mr Alexander [Member], USD $)	9 Months Ended
	Sep. 30, 2012
Mr Alexander [Member]
Terminated Cost	$ 870,000

X

- Definition

The total value of terminated cost.

+ References

No definition available.

+ Details

Name:	pdo_TerminatedCost
Namespace Prefix:	pdo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration