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COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019
Rent expense | $ 561 | $ 548
401(k) Plan [Member] |  |
Percentage of matching contributions | 25.00% |
Percentage of maximum employee contributions | 5.00% |
Compensation expense | $ 67 | 42
Forfeited match contributions used to reduce match expense | $ 7 | $ 16

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- Definition Refers to maximum percentage of employee contribution under plan. + References No definition available. + Details
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- Definition Forfeited match contributions used to reduce match expense. + References No definition available. + Details
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Namespace Prefix: | pdex_
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Balance Type: | debit
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121573735&loc=d3e41499-112717 + Details
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- Details
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