XML 44 R33.htm IDEA: XBRL DOCUMENT v3.21.2

Financial Instruments and Fair Value Measurements - Changes in fair value of the Level 3 liabilities (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended		9 Months Ended
	Mar. 25, 2021	Dec. 31, 2010	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Changes in fair value of the Level 3 liabilities
Balance at beginning					$ 2,209	$ 1,674
Fair value recognized upon the issuance of debt						718
Change in the fair value of the liability					(233)	(168)
Balance at the end			$ 10,918	$ 2,224	10,918	2,224
Proceeds from simple agreements for future equity					8,942
Warrant Liability
Changes in fair value of the Level 3 liabilities
Balance at beginning						181
Change in the fair value of the liability						(33)
Balance at the end				148		148
Warrant Liability | Warrants for series A1 preferred stock
Changes in fair value of the Level 3 liabilities
Change in the fair value of the liability				1		33
Warrants issued		180,724
Derivative Liability.
Changes in fair value of the Level 3 liabilities
Balance at beginning					2,209	1,493
Fair value recognized upon the issuance of debt						718
Change in the fair value of the liability					(2,209)	(135)
Balance at the end				$ 2,076		$ 2,076
SAFE
Changes in fair value of the Level 3 liabilities
Fair value recognized upon the issuance of debt					8,942
Change in the fair value of the liability			932		1,976
Balance at the end			$ 10,918		$ 10,918
Proceeds from simple agreements for future equity	$ 8,942

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

Number of warrants issued during the period.

+ References

No definition available.

+ Details

Name:	cgtx_WarrantsIssued
Namespace Prefix:	cgtx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
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 gain (loss) recognized in other comprehensive income (OCI) from liability measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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 http://asc.fasb.org/extlink&oid=123874694&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 http://asc.fasb.org/extlink&oid=123874694&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_WarrantLiabilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=cgtx_PreferredStockA1WarrantMember
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:

X

- Details

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