Income Taxes (Details Narrative) - USD ($)	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Real estate investment trust taxable income (loss)	$ (600,000)	$ (197,700)
Real estate investment trust taxable income (loss) per share	$ (0.14)	$ (0.05)
Operating loss expiration term	Expiring from 2028 through 2036.
Net operating loss carryforward	$ 20,900,000
Real estate investment trust taxable income distributable to shareholder	90.00%

It represents the operating loss expiration term.

No definition available.

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- Definition

Represent the percentage of real estate investment trust taxable income distributable to share holders during the reporting period.

+ References

No definition available.

+ Details

Name:	pdnlb_RealEstateInvestmentTrustTaxableIncomeDistributableToShareholder
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the real estate investment trust income (loss) during the period.

+ References

No definition available.

+ Details

Name:	pdnlb_RealEstateInvestmentTrustTaxableIncomeLoss
Namespace Prefix:	pdnlb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the real estate investment trust taxable income (loss) per share during the period.

+ References

No definition available.

+ Details

Name:	pdnlb_RealEstateInvestmentTrustTaxableIncomeLossPerShare
Namespace Prefix:	pdnlb_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32559-109319

+ Details

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Balance Type:	debit
Period Type:	instant