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COMMON STOCK (Details Textuals) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Dec. 31, 2014	Sep. 30, 2013
Maximum number of shares authorized to be repurchased (in shares)		750,000us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Number of shares repurchsed	41,538us-gaap_StockRepurchasedDuringPeriodShares
Value of shares repurchased	$ 94us-gaap_StockRepurchasedDuringPeriodValue
Right offering
Subscription Price (in dollars per share)	$ 1.90us-gaap_SharePrice / pdex_RightOfferingAxis = us-gaap_RightsMember
Proceeds from issuance of common stock	1,650us-gaap_ProceedsFromIssuanceOfCommonStock / pdex_RightOfferingAxis = us-gaap_RightsMember
Offering expenses	$ 140pdex_EstimatedOfferingExpenses / pdex_RightOfferingAxis = us-gaap_RightsMember
Common stock shareholder subscription	868,732us-gaap_CommonStockSharesSubscribedButUnissued / pdex_RightOfferingAxis = us-gaap_RightsMember
Right offering | AO Partners
Number of rights issued (in shares)	317,231us-gaap_StockIssuedDuringPeriodSharesNewIssues / dei_LegalEntityAxis = pdex_AOPartnersILPMember / pdex_RightOfferingAxis = us-gaap_RightsMember
Right offering | Farnam Street Partners
Number of rights issued (in shares)	156,189us-gaap_StockIssuedDuringPeriodSharesNewIssues / dei_LegalEntityAxis = pdex_FarnamStreetPartnersLPMember / pdex_RightOfferingAxis = us-gaap_RightsMember

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- Definition

Refers to estimated offering expenses incurred during the period.

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- Definition

Amount of common stock allocated to investors to buy shares of a new issue of common stock before they are offered to the public. When stock is sold on a subscription basis, the issuer does not initially receive the total proceeds. In general, the issuer does not issue the shares to the investor until it receives the entire proceeds.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

-Paragraph 30

-Article 5

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- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section 45

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-Subparagraph (a)

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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- Definition

Number of new stock issued during the period.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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

-Publisher SEC

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: http://www.xbrl.org/2003/role/presentationRef

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

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