Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation and Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Warrants - Summary of Warrant Activity (Details)

v3.19.2

Warrants - Summary of Warrant Activity (Details) - shares	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Number of warrants outstanding, ending	3,530,000	1,813,000
Warrants [Member]
Number of warrants outstanding, beginning	243,000	209,000
Number of warrants exercised		84,000
Number of warrants granted		(50,000)
Number of warrants expired
Number of warrants outstanding, ending	243,000	243,000
May 2018 Warrants [Member] \| Equity [Member]
Number of warrants outstanding, beginning	84,000
Number of warrants exercised		84,000
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	84,000	84,000
Warrant expiration date	Oct. 27, 2022	Oct. 27, 2022
October 2013 Warrants [Member] \| Liabilities [Member]
Number of warrants outstanding, beginning	26,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	26,000
Warrant expiration date	Oct. 24, 2023
January 2014 Warrants [Member] \| Liabilities [Member]
Number of warrants outstanding, beginning	133,000	133,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	133,000	133,000
Warrant expiration date	Jan. 16, 2024	Jan. 16, 2024
April 2013 Warrants [Member] \| Equity [Member]
Number of warrants outstanding, beginning		50,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired		(50,000)
Number of warrants outstanding, ending
Warrant expiration date		Apr. 25, 2018
October 2013 Series A Warrants [Member] \| Liabilities [Member]
Number of warrants outstanding, beginning		26,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending		26,000
Warrant expiration date		Oct. 24, 2023

- Definition

Warrant expiration date.

+ References

No definition available.

+ Details

Name:	COCP_WarrantExpirationDate
Namespace Prefix:	COCP_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of non-option equity instruments exercised by participants.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Net number of non-option equity instruments granted to participants.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=COCP_MayTwoThousandEighteenWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TradingActivityByTypeAxis=us-gaap_EquityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=COCP_OctoberTwoThousandThirteenWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TradingActivityByTypeAxis=COCP_WarrantLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=COCP_JanuaryTwoThousandFourteenWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=COCP_AprilTwoThousandThirteenWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=COCP_OctoberTwoThousandThirteenSeriesAWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: