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BUSINESS ACQUISITION (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Jun. 30, 2014
Dec. 01, 2014
Feb. 01, 2015
Business Acquisition [Line Items]        
Goodwill $ 353us-gaap_Goodwill       
Huber Precision        
Business Acquisition [Line Items]        
Cash 209us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_BusinessAcquisitionAxis
= pdex_HuberPrecisionMember
     
Promissory note payable to seller         
Total consideration 209us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= pdex_HuberPrecisionMember
  209us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= pdex_HuberPrecisionMember
 
Inventory 5us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
/ us-gaap_BusinessAcquisitionAxis
= pdex_HuberPrecisionMember
     
Fixed Assets 37us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= pdex_HuberPrecisionMember
     
Net assets acquired 209us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= pdex_HuberPrecisionMember
     
Goodwill         
Huber Precision | Covenant not to compete        
Business Acquisition [Line Items]        
Intangible assets, other than goodwill 30us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= pdex_HuberPrecisionMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember
     
Huber Precision | Trade Names        
Business Acquisition [Line Items]        
Intangible assets, other than goodwill         
Huber Precision | Customer list and backlog        
Business Acquisition [Line Items]        
Intangible assets, other than goodwill 137us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= pdex_HuberPrecisionMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerListsMember
     
Fineline Molds        
Business Acquisition [Line Items]        
Cash 657us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_BusinessAcquisitionAxis
= pdex_FinelineMoldsMember
     
Promissory note payable to seller 100pdex_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNotePayableToSeller
/ us-gaap_BusinessAcquisitionAxis
= pdex_FinelineMoldsMember
     
Total consideration 757us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= pdex_FinelineMoldsMember
    757us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= pdex_FinelineMoldsMember
Inventory         
Fixed Assets 149us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= pdex_FinelineMoldsMember
     
Net assets acquired 404us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= pdex_FinelineMoldsMember
     
Goodwill 353us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= pdex_FinelineMoldsMember
     
Fineline Molds | Covenant not to compete        
Business Acquisition [Line Items]        
Intangible assets, other than goodwill 22us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= pdex_FinelineMoldsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember
     
Fineline Molds | Trade Names        
Business Acquisition [Line Items]        
Intangible assets, other than goodwill 54us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= pdex_FinelineMoldsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
     
Fineline Molds | Customer list and backlog        
Business Acquisition [Line Items]        
Intangible assets, other than goodwill $ 179us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= pdex_FinelineMoldsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerListsMember