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Subsequent Events (Details) - Subsequent Events [Member]	Jul. 07, 2022 ₪ / shares shares
Subsequent Events (Details) [Line Items]
Aggregate purchase shares | shares	1,031,000
Exercisable price | ₪ / shares	₪ 1.639
Over limited period	4 years

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- Definition

Diluted earnings (loss) per instrument from discontinued operations for an equity instrument that participates in profit with ordinary shares according to a predetermined formula. [Refer: Diluted earnings (loss) per instrument, participating equity instruments other than ordinary shares; Discontinued operations [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 33
-IssueDate 2022-03-24
-Paragraph A14
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_A14&doctype=Appendix&subtype=A
-URIDate 2022-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

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Namespace Prefix:	svre_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

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Namespace Prefix:	svre_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Details

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Namespace Prefix:
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Balance Type:
Period Type: