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Commitments and Contingencies (Commitments, Narrative) (Details) (Product, Kristalose)	12 Months Ended
	Dec. 31, 2012
Product, Kristalose
Business Acquisition, Contingent Consideration [Line Items]
Business acquisition, contingent consideration, percentage net product revenue obligated	1.00%
Intangible assets, useful life	15 years

X

- Definition

Business acquisition, contingent consideration, percentage net product revenue obligated

+ References

No definition available.

+ Details

Name:	cpix_BusinessAcquisitionContingentConsiderationPercentageNetProductRevenueObligated
Namespace Prefix:	cpix_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration