v3.25.3

Stockholders' Equity - Summary of common stock warrants outstanding (Details)	9 Months Ended
	Sep. 30, 2025 $ / shares shares
Stockholders' Equity.
Beginning Balance, (In shares) \| shares	0
Issued, (In shares) \| shares	514,500
Exercised, (In shares) \| shares	0
Expired, (In shares) \| shares	0
Ending Balance, (In shares) \| shares	514,500
Exercisable, (In shares) \| shares	0
Beginning Balance, (USD/Share) \| $ / shares	$ 0
Issued, (USD/Share) \| $ / shares	2.78
Exercised, (USD/Share) \| $ / shares	0
Expired, (USD/Share) \| $ / shares	0
Ending Balance, (USD/Share) \| $ / shares	2.78
Exercisable, (In USD/Share) \| $ / shares	$ 0
Remaining Contractual life, Issued	4 years 10 months 24 days
Remaining Contractual life, Balance	4 years 10 months 24 days

- Definition

Represent the information pertains to weighted average remaining contractual life of warrants issued.

+ References

No definition available.

+ Details

Name:	cgtx_ClassOfWarrantOrRightIssuedWeightedAverageRemainingContractualLife
Namespace Prefix:	cgtx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of securities into which the class of warrant or right exercised.

+ References

No definition available.

+ Details

Name:	cgtx_ClassOfWarrantOrRightNumberOfSecuritiesExercised
Namespace Prefix:	cgtx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of securities into which the class of warrant or right expired.

+ References

No definition available.

+ Details

Name:	cgtx_ClassOfWarrantOrRightNumberOfSecuritiesExpired
Namespace Prefix:	cgtx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of class of warrants or rights exercisable.

+ References

No definition available.

+ Details

Name:	cgtx_ClassOfWarrantOrRightNumberOfWarrantsExercisable
Namespace Prefix:	cgtx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of warrant or right issued during the period.

+ References

No definition available.

+ Details

Name:	cgtx_ClassOfWarrantOrRightNumberOfWarrantsIssued
Namespace Prefix:	cgtx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average exercise price per share or per unit of warrants or rights exercisable.

+ References

No definition available.

+ Details

Name:	cgtx_ClassOfWarrantOrRightWeightedAverageExercisePriceOfWarrantsOrRightsExercisable
Namespace Prefix:	cgtx_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average exercise price per share or per unit of warrants or rights exercised.

+ References

No definition available.

+ Details

Name:	cgtx_ClassOfWarrantOrRightWeightedAverageExercisePriceOfWarrantsOrRightsExercised
Namespace Prefix:	cgtx_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average exercise price per share or per unit of warrants or rights expired.

+ References

No definition available.

+ Details

Name:	cgtx_ClassOfWarrantOrRightWeightedAverageExercisePriceOfWarrantsOrRightsExpired
Namespace Prefix:	cgtx_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average exercise price per share or per unit of warrants or rights issued.

+ References

No definition available.

+ Details

Name:	cgtx_ClassOfWarrantOrRightWeightedAverageExercisePriceOfWarrantsOrRightsIssued
Namespace Prefix:	cgtx_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Represent the information pertains to weighted average remaining contractual life.

+ References

No definition available.

+ Details

Name:	cgtx_ClassOfWarrantOrRightWeightedAverageRemainingContractualLife
Namespace Prefix:	cgtx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Per share or per unit weighted average exercise price of warrants or rights outstanding.

+ References

No definition available.

+ Details

Name:	cgtx_ClassOfWarrantsOrRightsWeightedAverageExercisePrice
Namespace Prefix:	cgtx_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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

- References

No definition available.

+ Details

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

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