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Note 7 - Stockholders' Equity and Equity-linked Instruments - Schedule of Warrant Activity (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Beginning balance |  | $ 1,571,000 |
Change in fair value of warrant liability |  | (1,115,000) | $ (2,898,000)
Beginning balance |  | 935,000 | 1,571,000
Series AAA-3 and AAA-4 Junior Preferred Stock Warrants [Member] |  |  |
Beginning balance |  | 0 | 0
Initial fair value of warrant liability – grant date | [1] | 346,000 | 0
Change in fair value of warrant liability |  | 2,000 | 0
Beginning balance |  | 348,000 | 0
Warrants Issued With Placement Agent Agreement [Member] |  |  |
Beginning balance |  | 1,571,000 | 0
Initial fair value of warrant liability – grant date | [1] | 133,000 | 4,469,000
Change in fair value of warrant liability |  | (1,117,000) | (2,898,000)
Beginning balance |  | $ 587,000 | $ 1,571,000
[1] | Estimated fair value on the respective dates of issuance.

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- Definition Estimated grant date fair value of warrants or rights. + References No definition available. + Details
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Namespace Prefix: | slgg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 25 -Paragraph 13 -SubTopic 10 -Topic 480 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481766/480-10-25-13 + Details
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- Definition Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Details
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Namespace Prefix: |
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- Details
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