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Share Capital and Reserves (Details) - Schedule of changes in the issued and outstanding capital	6 Months Ended
	Jun. 30, 2022 shares
Schedule Of Changes In The Issued And Outstanding Capital Abstract
Beginning balance	7,984,706
Allotment of ordinary shares through U.S IPO (see Note 3 above)	14,709,590
Ending balance	22,694,296

X

- Definition

The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 79
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_79_a_iv&doctype=Standard
-URIDate 2022-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Allotment of ordinary shares through U.S IPO.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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