XML 73 R55.htm IDEA: XBRL DOCUMENT
v3.19.1

Property and Equipment (Depreciation Expense) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Property, Plant and Equipment [Abstract] |  |  |
Depreciation, including amortization related to leasehold improvements | $ 213,237 | $ 211,532 | $ 202,868

X
- Definition Depreciation, Including Amortization Related to Leasehold Improvements + References No definition available. + Details
Name: | cpix_DepreciationIncludingAmortizationRelatedToLeaseholdImprovements
Namespace Prefix: | cpix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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