XML 37 R27.htm IDEA: XBRL DOCUMENT v3.22.2.2

Financial Instruments and Fair Value Measurements - Changes in fair value of the Level 3 liabilities (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Mar. 25, 2021	Sep. 30, 2021	Sep. 30, 2021
Changes in fair value of the Level 3 liabilities
Balance at beginning			$ 2,209
Fair value recognized upon the issuance of SAFE			8,942
Change in the fair value of the derivative liability			(2,209)
Change in the fair value of the Simple Agreements for Future Equity		$ 932	1,976
Balance at the end		10,918	10,918
Proceeds from simple agreements for future equity			8,942
SAFE
Changes in fair value of the Level 3 liabilities
Fair value recognized upon the issuance of SAFE			8,942
Change in the fair value of the Simple Agreements for Future Equity		932	1,976
Balance at the end		$ 10,918	10,918
Proceeds from simple agreements for future equity	$ 8,942
Derivative Liability.
Changes in fair value of the Level 3 liabilities
Balance at beginning			2,209
Change in the fair value of the derivative liability			$ (2,209)

X

- Definition

The amount of change in the fair value of derivative liability during the reporting period.

+ References

No definition available.

+ Details

Name:	cgtx_FairValueAdjustmentOfDerivativeLiability
Namespace Prefix:	cgtx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of fair value adjustment of simple agreements for future equity during the reporting period.

+ References

No definition available.

+ Details

Name:	cgtx_FairValueAdjustmentOfSimpleAgreementsForFutureEquity
Namespace Prefix:	cgtx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The cash inflow from simple agreements for future equity ("SAFEs) entered into by the company during the period.

+ References

No definition available.

+ Details

Name:	cgtx_ProceedsFromSimpleAgreementsForFutureEquity
Namespace Prefix:	cgtx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueByLiabilityClassAxis=cgtx_SimpleAgreementsForFutureEquityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByLiabilityClassAxis=us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: