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Commitments and Contingencies (Legal Matters, Narrative) (Details) (Product, Acetadote, Patent Infringement)	1 Months Ended
	Apr. 30, 2012 company lawsuit
Product, Acetadote | Patent Infringement
Loss Contingencies [Line Items]
Number of lawsuits filed as plaintiff	5
Number of companies for which litigation settlement exists	2

X

- Definition

Number of companies for which litigation settlement exists

+ References

No definition available.

+ Details

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X

- Definition

Number of lawsuits filed as plaintiff

+ References

No definition available.

+ Details

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Namespace Prefix:	cpix_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Data Type:	xbrli:stringItemType
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Period Type:	duration