XML 48 R30.htm IDEA: XBRL DOCUMENT
v3.19.1

Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of intangible assets, useful lives | Amortization expense is recognized ratably over the following periods:
Product rights |  | Estimated economic life
License rights |  | Term of license agreement
Patents |  | Life of patent

X
- Definition Schedule of Finite-Lived Intangible Assets UseFul Lives [Table Text Block] + References No definition available. + Details
Name: | cpix_ScheduleOfFiniteLivedIntangibleAssetsUsefulLivesTableTextBlock
Namespace Prefix: | cpix_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration