Annual report pursuant to Section 13 and 15(d)

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

Summary of Warrant Activity (Details)

v3.22.1

Summary of Warrant Activity (Details) - shares	12 Months Ended
Summary of Warrant Activity (Details) - shares	Dec. 31, 2021	Dec. 31, 2020
Warrant Liabilities [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants outstanding, beginning	159,000
Number of warrants outstanding, ending	159,000	159,000
May 2018 Warrants [Member] \| Equity [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants outstanding, beginning	84,000	84,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	84,000	84,000
Warrant expiration date	Oct. 27, 2022
October 2013 Warrants [Member] \| Warrant Liabilities [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants outstanding, beginning	26,000	26,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	26,000	26,000
Warrant expiration date	Oct. 24, 2023
January 2014 Warrants [Member] \| Warrant Liabilities [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
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
Warrant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants outstanding, beginning	243,000	243,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	243,000	243,000

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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 for which rights to exercise lapsed.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations
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=120381028&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=120381028&loc=d3e5070-113901

+ Details

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

- Definition

Expiration date of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

Name:	us-gaap_WarrantsAndRightsOutstandingMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	instant

- Details

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

- Details

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