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Subsequent Events (Details) - Subsequent Event	Apr. 20, 2020 USD ($)
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: