Amount of investments and amount representing an agreement for an unconditional promise by the maker to pay the Company (holder) a definite sum of money within one year from the balance sheet date (or the normal operating cycle, whichever is longer), net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

No definition available.

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

SUBSEQUENT EVENT (Details Narrative) $ in Thousands	Jan. 06, 2016 USD ($) ft²	Jun. 30, 2015 USD ($)
Purchase price		$ 1,652
Subsequent Event [Member] \| Real Estate Purchase Contract (Earnest Money Deposit and Real Estate Purchase Contract) [Member] \| Minnesota [Member]
Area of land \| ft²	2.2
Area of buliding \| ft²	30,000
Purchase price	$ 1,653,000
Broker commissions	$ 99,180
Broker commissions percent of purchase price	6.00%