Nature of Business and Significant Accounting Policies (Long-lived assets) (Details) (USD $)
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3 Months Ended | 12 Months Ended | 3 Months Ended | |||||
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Dec. 31, 2014
sqft
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Dec. 31, 2014
sqft
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Dec. 31, 2013
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Dec. 31, 2010
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Dec. 31, 2009
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Dec. 31, 2013
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Mar. 31, 2012
sqft
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Sep. 30, 2011
sqft
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Impaired Long-Lived Assets Held and Used [Line Items] | ||||||||
Gain (Loss) on Disposition of Business | $ 1,200,000us-gaap_GainLossOnSaleOfBusiness | |||||||
Other Asset Impairment Charges | 700,000us-gaap_OtherAssetImpairmentCharges | |||||||
Asset Impairment Charges | 600,000us-gaap_AssetImpairmentCharges | 2,086,000us-gaap_AssetImpairmentCharges | 0us-gaap_AssetImpairmentCharges | |||||
Net Rentable Area | 9,000us-gaap_NetRentableArea | 9,000us-gaap_NetRentableArea | 6,700us-gaap_NetRentableArea | 47,000us-gaap_NetRentableArea | ||||
Segment, Discontinued Operations [Member] | ||||||||
Impaired Long-Lived Assets Held and Used [Line Items] | ||||||||
Asset Impairment Charges |
600,000us-gaap_AssetImpairmentCharges / us-gaap_StatementBusinessSegmentsAxis = us-gaap_SegmentDiscontinuedOperationsMember |
700,000us-gaap_AssetImpairmentCharges / us-gaap_StatementBusinessSegmentsAxis = us-gaap_SegmentDiscontinuedOperationsMember |
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Marketing Services [Member] | ||||||||
Impaired Long-Lived Assets Held and Used [Line Items] | ||||||||
Asset Impairment Charges |
$ 600,000us-gaap_AssetImpairmentCharges / us-gaap_StatementBusinessSegmentsAxis = pdii_MarketingServicesMember |
$ 100,000us-gaap_AssetImpairmentCharges / us-gaap_StatementBusinessSegmentsAxis = pdii_MarketingServicesMember |
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- Definition
Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment. No definition available.
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- Details
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- Definition
Net rentable area for properties owned. No definition available.
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- Definition
The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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