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Commitments and Contingencies (Commitments, Narrative) (Details) | 12 Months Ended
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Dec. 31, 2015
Product, Kristalose |
Business Acquisition, Contingent Consideration [Line Items] |
Intangible assets, useful life | 15 years

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_BusinessAcquisitionAxis=cpix_KristaloseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |