COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Details Textuals) (USD $)	12 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Sep. 24, 2013 Subsequent Event
Subsequent Event [Line Items]
Marketable security cost	$ 365,000	$ 0
Marketable security unrealized, gain	5,000
Marketable security unrealized, loss	0
Depreciation expense (Includes capital lease amortization)	$ 582,000	$ 647,000
Number of shares authorized to be repurchased (in shares)			750,000

Cost of investments in equity securities securities that provide ownership interests classified as marketing.

No definition available.

Name:	pdex_MarketableSecuritiesEquityCost
Namespace Prefix:	pdex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Details

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- Definition

The increase (decrease), resulting in a gain, in the difference between the fair value and the carrying value, or in the comparative fair values, of securities held at each balance sheet date, that was included in earnings for the period.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The increase (decrease), resulting in a loss, in the difference between the fair value and the carrying value, or in the comparative fair values, of securities held at each balance sheet date, that was included in earnings for the period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration