XML 29 R45.htm IDEA: XBRL DOCUMENT v2.4.0.6

Commitments and Contingencies (Details)	3 Months Ended
	Sep. 30, 2012 Sites Agency
Commitments and Contingencies (Textual) [Abstract]
Number of agencies under the agreement	2
Number of sites as per the report	25
Period of report	2 years

X

- Details

Name:	pdex_CommitmentsAndContingenciesTextualAbstract
Namespace Prefix:	pdex_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of agencies under agreement.

+ References

No definition available.

+ Details

Name:	pdex_NumberOfAgenciesUnderAgreement
Namespace Prefix:	pdex_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of sites selected for screening groundwater contamination.

+ References

No definition available.

+ Details

Name:	pdex_NumberOfSitesSelectedForScreeningGroundwaterContamination
Namespace Prefix:	pdex_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Site screening period.

+ References

No definition available.

+ Details

Name:	pdex_SiteScreeningPeriod
Namespace Prefix:	pdex_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration