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SUBSEQUENT EVENTS (Details Textuals) (Subsequent event, Deed and Settlement Agreement, USD $) In Thousands, unless otherwise specified | 0 Months Ended
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May 13, 2015
Subsequent event | Deed and Settlement Agreement |
Recharacterization of debt | $ 1,000 pdex_RecharacterizationDebt / us-gaap_DebtInstrumentAxis = pdex_DeedAndSettlementAgreementMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Description of cross collateral notes | The promissory notes are cross-collateralized and secured by (collectively, the “Collateral”), among other things, real property consisting of 2.3 acres of land and an approximate 30,000 square foot industrial building and a security interest in substantially all of the assets of Riverside Manufacturing, Inc. (“Riverside”) (consisting primarily of machine shop equipment and accounts receivable).

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- Definition Represents as a recharacterization debt. + References No definition available. + Details
Name: | pdex_RecharacterizationDebt
Namespace Prefix: | pdex_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Description of the sources and uses of collateral received from transferees that can be sold or repledged. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=55761124&loc=SL6224234-111729 + Details
Name: | us-gaap_SecuritiesReceivedAsCollateralSourcesAndUses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration