The additional number of common stock to be issued under stock purchase agreement.

No definition available.

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- Definition

Amount represents the fair value of shares issued.

+ References

No definition available.

+ Details

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Namespace Prefix:	syn_
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- Definition

The additional number of common stock to be held by the related party under stock purchase agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	syn_
Data Type:	xbrli:sharesItemType
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- Definition

The number of common stock to be issued under stock purchase agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	syn_
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Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

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- 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

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Period Type:	duration

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Details

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- Details

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Non-controlling Interest and Related Party (Details) - USD ($)		3 Months Ended		9 Months Ended
	Sep. 05, 2018	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Noncontrolling Interest
Expenses from transactions with related party		$ 0	$ 0	$ 0	$ 0
SYN Biomics
Noncontrolling Interest
Ownership percentage		100.00%		100.00%
Cedars-Sinai Medical Center
Noncontrolling Interest
Expenses from transactions with related party	$ 328,000
Fair value of shares issued	$ 285,000
Cedars-Sinai Medical Center \| Stock Purchase Agreement
Noncontrolling Interest
Number of common stock, shares to be issued	5,000
Cedars-Sinai Medical Center \| SYN Biomics \| Stock Purchase Agreement
Noncontrolling Interest
Additional number of common stock, shares to be issued	2,420,000
Number of common stock, shares to be held by related party	7,480,000
Noncontrolling interest, ownership percentage by noncontrolling owners	17.00%