Name:	pdfs_BusinessCombinationAccruedEstimatedCashPayoutToCertainEmployees
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Data Type:	xbrli:monetaryItemType
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Represents the amount of cash to be paid out to certain employees for their continued employment.

No definition available.

Name:	pdfs_BusinessCombinationEstimatedCashPayoutToCertainEmployees
Namespace Prefix:	pdfs_
Data Type:	xbrli:monetaryItemType
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Represents the portion of the purchase price that is not paid at closing and withheld to satisfy adjustments and claims for indemnity arising out of breaches of certain representations, warranties and covenants, and certain other enumerated items in the merger agreement. The amount, as adjusted, is expected to be paid to the participating equity holders on approximately the twelve-month anniversary of the Acquisition Date.

No definition available.

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Amount of purchase price adjustment of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

No definition available.

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Amount of goodwill after purchase price adjustment.

No definition available.

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Data Type:	xbrli:monetaryItemType
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For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472

Name:	us-gaap_BusinessCombinationAcquiredReceivablesGrossContractualAmount
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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Name:	us-gaap_BusinessCombinationAcquisitionRelatedCosts
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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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Name:	us-gaap_BusinessCombinationConsiderationTransferred1
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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
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-Topic 350
-SubTopic 20
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-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
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