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Shareholders' Equity (Warrants, Narrative) (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2006 | Dec. 31, 2009 | Dec. 31, 2004
Warrants, Issued to Related Party in 2004 |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |
Warrants, number of shares called by warrants |  |  |  | 40,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = cpix_WarrantsIssuedToRelatedPartyIn2004Member
Warrants, exercise price |  |  |  | $ 6.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = cpix_WarrantsIssuedToRelatedPartyIn2004Member
Warrants, exerciseable period | 10 years |  |  |
Warrants, Issued in Consideration of 2006 Credit Facility Amendment |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |
Warrants, number of shares called by warrants |  | 3,958 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = cpix_WarrantsIssuedInConsiderationOf2006CreditFacilityAmendmentMember |  |
Warrants, exercise price |  | $ 9.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = cpix_WarrantsIssuedInConsiderationOf2006CreditFacilityAmendmentMember |  |
Warrants, expiration date |  | Apr. 30, 2016 |  |
Warrants, Issued in Consideration of 2009 Credit Facility Amendment |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |
Warrants, number of shares called by warrants |  |  | 7,500 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = cpix_WarrantsIssuedInConsiderationOf2009CreditFacilityAmendmentMember |
Warrants, exercise price |  |  | $ 17.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = cpix_WarrantsIssuedInConsiderationOf2009CreditFacilityAmendmentMember |
Warrants, expiration date |  |  | Jul. 31, 2019 |

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- Definition Class of Warrant or Rights, Exerciseable Period + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Subparagraph 2 -Article 4 + Details
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