XML 66 R46.htm IDEA: XBRL DOCUMENT v3.24.3

Note 11 - Contingencies (Details Textual)						2 Months Ended	20 Months Ended
	Sep. 06, 2024	Aug. 06, 2024	Mar. 18, 2024	Jul. 05, 2022	Jun. 30, 2022	Oct. 26, 2021	Jun. 20, 2023	Jun. 20, 2023
Violations of Federal Securities Laws [Member]
Loss Contingency, New Claims Filed, Number					1	4
Shareholder Derivative Actions, Texas Court [Member]
Loss Contingency, New Claims Filed, Number							4	2
Shareholder Derivative Actions, Texas State Court Member
Loss Contingency, New Claims Filed, Number								1
Shareholder Derivative Actions, Delaware Court [Member]
Loss Contingency, New Claims Filed, Number								1
Shareholder Derivative Actions [Member]
Loss Contingency, New Claims Filed, Number	2		2	3
Anti-SLAPP Lawsuit [Member]
Number of Former Employees		2

X

- Definition

Represents the number of former employees.

+ References

No definition available.

+ Details

Name:	sava_NumberOfFormerEmployees
Namespace Prefix:	sava_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_LitigationCaseAxis=sava_ShareholderDerivativeActionsTexasCourtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_LitigationCaseAxis=sava_ShareholderDerivativeActionsTexasStateCourtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_LitigationCaseAxis=sava_ShareholderDerivativeActionsDelawareCourtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_LitigationCaseAxis=sava_ShareholderDerivativeActionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_LitigationCaseAxis=sava_AntislappLawsuitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: