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

No definition available.

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Represents the remaining amount of cash to be paid out to certain employees for their continued employment.

No definition available.

Name:	pdfs_BusinessCombinationEstimatedRemainingCashPayoutToCertainEmployees
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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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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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-Topic 805
-SubTopic 10
-Section 25
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Amount of increase (decrease) of an asset representing 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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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
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-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(1)(a))
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-Name Accounting Standards Codification
-Topic 944
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-Section S99
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-Subparagraph (SX 210.7-03(a)(2))
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