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v2.4.0.6

Income Taxes (Details 3) (USD $) | 12 Months Ended
--- | ---
Jun. 30, 2012
Full valuation allowance against deferred tax assets |
Beginning Balance | $ (2,362,000)
Increase in tax asset valuation allowance | (227,000)
Ending Balance | $ (2,589,000)

X
- Definition Deferred tax assets. + References No definition available. + Details
Name: | pdex_DeferredTaxAssets
Namespace Prefix: | pdex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Net increase decrease in net deferred tax assets. + References No definition available. + Details
Name: | pdex_NetIncreaseDecreaseInNetDeferredTaxAssets
Namespace Prefix: | pdex_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DeferredTaxAssetsNetClassificationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration