Represent the warrant exercise term.

No definition available.

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Balance Type:	na
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- Definition

It represens number of publicly held shares .

+ References

No definition available.

+ Details

Name:	slxn_NumberOfPubliclyHeldShares
Namespace Prefix:	slxn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
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- Definition

Represent the number of warrants issued.

+ References

No definition available.

+ Details

Name:	slxn_NumberOfWarrantsIssued
Namespace Prefix:	slxn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the placement agent cash fee in percentage.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of placement agent fees and other offering expenses.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

It represents placement agent fees and other offering expenses percent.

+ References

No definition available.

+ Details

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Namespace Prefix:	slxn_
Data Type:	dtr-types:percentItemType
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- Definition

Represent the reduced cash exercise price .

+ References

No definition available.

+ Details

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Namespace Prefix:	slxn_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Represent the reverse stock split conversion price.

+ References

No definition available.

+ Details

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Namespace Prefix:	slxn_
Data Type:	dtr-types:perShareItemType
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- Definition

Reverse stock split conversion ratio.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

It represents security bid price per share.

+ References

No definition available.

+ Details

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

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 505
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-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

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Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

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- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
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- Definition

The cash inflow associated with the amount received from holders exercising their stock warrants.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

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Balance Type:	debit
Period Type:	duration

- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
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SUBSEQUENT EVENTS (Narrative) (Details)	1 Months Ended			3 Months Ended		6 Months Ended
SUBSEQUENT EVENTS (Narrative) (Details)	Jul. 31, 2025 USD ($)	Jul. 29, 2025 ₪ / shares $ / shares shares	Nov. 22, 2024 $ / shares	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jul. 31, 2025 ₪ / shares shares	Jul. 14, 2025 shares
Subsequent Event [Line Items]
Proceeds from exercise of warrants \| $				$ 0	$ 0	$ 864,000	$ 0
Reverse Share Split [Member]
Subsequent Event [Line Items]
Reverse Stock Split Conversion Ratio						remaining above $1.00 for at least 10 consecutive trading days)
Security bid price per share \| $ / shares		$ 1
Number of publicly held shares		500,000
Minimum [Member]
Subsequent Event [Line Items]
Reverse Stock Split Conversion Price \| $ / shares			$ 1
Maximum [Member]
Subsequent Event [Line Items]
Reverse Stock Split Conversion Price \| $ / shares			$ 9
Subsequent Event [Member]
Subsequent Event [Line Items]
Reverse Stock Split Conversion Ratio		1-for-15
Subsequent Event [Member] \| 2024 Equity Incentive Plan [Member]
Subsequent Event [Line Items]
Number of issuance of ordinary shares authorized									84,791
Number of issuacne of ordinary shares reserved									86,568
Subsequent Event [Member] \| July 2025 Inducement Offer [Member]
Subsequent Event [Line Items]
Outstanding warrants								152,106
Number of ordinary shares issued in warrants exercised								152,106
Reduced cash exercise price of warrants \| ₪ / shares								₪ 11.57
Proceeds from exercise of warrants \| $	$ 1,800,000
Placement agent fees and other offering expenses \| $	$ 300
Subsequent Event [Member] \| July 2025 Inducement Offer [Member] \| Offering [Member]
Subsequent Event [Line Items]
Number of warrants issued								22,468
Warrant exercise term	five-year
Warrants price per share \| ₪ / shares								₪ 20.25
Subsequent Event [Member] \| July 2025 Inducement Offer [Member] \| Prior warrant inducement transaction [Member]
Subsequent Event [Line Items]
Number of warrants issued								129,638
Warrant exercise term	24-month
Warrants price per share \| ₪ / shares								₪ 22.5
Subsequent Event [Member] \| July 2025 Inducement Offer [Member] \| New ordinary warrants [Member]
Subsequent Event [Line Items]
Number of warrants issued								304,212
Warrants price per share \| ₪ / shares								₪ 11.32
Subsequent Event [Member] \| July 2025 Inducement Offer [Member] \| Placement agent warrants [Member]
Subsequent Event [Line Items]
Number of warrants issued								10,647
Warrants price per share \| ₪ / shares								₪ 14.46
Placement agent cash fee in percentage	8.00%
Placement agent fees and other offering expenses percentage	7.00%
Subsequent Event [Member] \| Minimum [Member]
Subsequent Event [Line Items]
Reverse Stock Split Conversion Price \| ₪ / shares		$ 0.0009
Subsequent Event [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Reverse Stock Split Conversion Price \| ₪ / shares		$ 0.0135