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IDEA: XBRL DOCUMENT
v3.8.0.1
Commitment and Contingencies - Additional Information (Detail)
Apr. 14, 2016
DerivativeLawsuit
Commitments And Contingencies Disclosure [Abstract]
Number of shareholders derivative lawsuits
2
X
- Definition
Number of shareholders derivative lawsuits.
+ References
No definition available.
+ Details
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pbyi_NumberOfShareholdersDerivativeLawsuits
Namespace Prefix:
pbyi_
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xbrli:integerItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
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