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Income Taxes (Details Textual) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($)
Income Taxes (Textual) [Abstract]
Loss carryforwards generated from the exercise of nonqualified options	$ 43.0

X

- Definition

Income taxes.

+ References

No definition available.

+ Details

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Namespace Prefix:	cpix_
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Balance Type:	na
Period Type:	duration

X

- Definition

Amount of deferred tax expense from write-off of the deferred tax asset related to deductible stock options at exercise.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 20
-Section 55
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11283-113907

+ Details

Name:	us-gaap_DeferredTaxExpenseFromStockOptionsExercised
Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration