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Stock-Based Compensation Plans (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of equity compensation plans | 3 cpix_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPlans
Number of equity compensation plans available for future grants | 2 cpix_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPlansAvailableForFutureGrants
Unrecognized compensation cost related to share-based payments | $ 1.6 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Unrecognized compensation cost related to share-based payments, period for recognition | 2 years 4 months 1 day
Principal Owner | Minimum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock options, exercise price as percent of weighted-average grant date fair value | 110.00%cpix_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePriceAsPercentOfWeightedAverageGrantDateFairValue / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_TitleOfIndividualAxis = us-gaap_PrincipalOwnerMember
NonPrincipal Owner |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock options, exercise price as percent of weighted-average grant date fair value | 100.00%cpix_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePriceAsPercentOfWeightedAverageGrantDateFairValue / us-gaap_TitleOfIndividualAxis = cpix_NonprincipalOwnerMember
Long-Term Incentive Compensation Plan 2007 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares reserved for issuance under equity compensation plans | 2,400,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = cpix_LongTermIncentiveCompensationPlan2007Member
Directors’ Incentive Plan 2007 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares reserved for issuance under equity compensation plans | 250,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = cpix_DirectorsIncentivePlan2007Member
Stock Options | Principal Owner |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock options, expiration period | 5 years
Stock Options | NonPrincipal Owner | Maximum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock options, expiration period | 10 years
Restricted Stock | Employee |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Award vesting period | 4 years
Restricted Stock | Director |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Award vesting period | 1 year

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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period + References No definition available. + Details
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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Number of Plans + References No definition available. + Details
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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Number of Plans Available for Future Grants + References No definition available. + Details
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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercise Price as Percent of Weighted Average Grant Date Fair Value + References No definition available. + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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