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v3.20.1

Subsequent Events (Details) - Subsequent Event | Apr. 20, 2020 USD ($)
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Subsequent Event [Line Items] |
Aggregate amount | $ 2,187,140
Interest rate | 1.00%

X
- Definition Coronavirus Aid, Relief, and Economic Security Act, Debt Instrument, Interest Rate, Stated Percentage + References No definition available. + Details
Name: | cpix_CoronavirusAidReliefAndEconomicSecurityActDebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | cpix_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The Coronavirus Aid, Relief, and Economic Security Act, Loan Proceeds Received + References No definition available. + Details
Name: | cpix_TheCoronavirusAidReliefAndEconomicSecurityActLoanProceedsReceived
Namespace Prefix: | cpix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |