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Leases (Details)	9 Months Ended
	Sep. 30, 2023 USD ($)	Apr. 30, 2023 ft²	Dec. 31, 2022 USD ($)	May 31, 2016 USD ($)
Operating leases
Security Deposit | $	$ 52,320		$ 52,320
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Rockville, Maryland
Operating leases
Security Deposit | $				$ 52,320
First portion of Rockville, Maryland lease
Operating leases
Square feet leased | ft²		30,000
Second portion of Rockville, Maryland lease
Operating leases
Square feet leased | ft²		12,000

X

- Definition

Square feet leased.

+ References

No definition available.

+ Details

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Namespace Prefix:	glyc_
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Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Definition

Indicates (true false) whether lessee has option to extend operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:booleanItemType
Balance Type:	na
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X

- Definition

The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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Balance Type:	debit
Period Type:	instant

X

- Details

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X

- Details

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X

- Details

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