Super League Enterprise, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Acquisitions (Details Textual)

Note 4 - Acquisitions (Details Textual)				3 Months Ended		8 Months Ended	12 Months Ended
Note 4 - Acquisitions (Details Textual)	Oct. 04, 2021 USD ($) $ / shares shares	Aug. 24, 2021 USD ($) $ / shares	Jun. 01, 2021 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) $ / shares	Mar. 31, 2021 USD ($)	Aug. 24, 2021 USD ($) $ / shares	Dec. 31, 2021 USD ($) $ / shares shares
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares				$ 0.001			$ 0.001
Preferred Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares				$ 0.001			$ 0.001
Number of Reportable Segments				1
Super League Closing Stock Price Per Share On the Closing Date (in dollars per share) \| $ / shares			$ 4.96
Amortization of Intangible Assets				$ 1,301,000	$ 242,000
Income Tax Expense (Benefit), Total				$ (46,000)	$ (0)
Share Price (in dollars per share) \| $ / shares	$ 2.91
Merger Agreement [Member]
Income Tax Expense (Benefit), Total							$ (3,073,000)
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)				3 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)				10 years
Former Mobcrush Employees [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares) \| shares							514,633
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) \| shares							415,000
Mobcrush Acquisition [Member]
Business Combination, Right To Receive Common Stock, Shares For Each Cancelled Common Stock And Preferred Stock, Share Of Acquiree (in dollars per share) \| $ / shares			$ 0.528
Stock Issued During Period, Shares, Acquisitions (in shares) \| shares			12,067,571
Common Stock, Capital Shares Reserved for Future Issuance (in shares) \| shares			514,633
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) \| shares			12,582,204
Business Combination, Acquisition Related Costs			$ 636,000
Amortization of Intangible Assets				$ 816,000
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable			$ 59,855,000
Business Acquisition, Share Price (in dollars per share) \| $ / shares			$ 4.96
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities			$ 3,073,000
Mobcrush Acquisition [Member] \| Preferred Partner Relationship [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)			7 years
Mobcrush Acquisition [Member] \| Preferred Partner Relationship [Member] \| Minimum [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)			6 years
Mobcrush Acquisition [Member] \| Preferred Partner Relationship [Member] \| Maximum [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)			10 years
Mobcrush Acquisition [Member] \| Preferred Partner Relationship [Member] \| Measurement Input, Discount Rate [Member] \| Minimum [Member]
Intangible Asset, Measurement Input			13
Mobcrush Acquisition [Member] \| Preferred Partner Relationship [Member] \| Measurement Input, Discount Rate [Member] \| Maximum [Member]
Intangible Asset, Measurement Input			14
Mobcrush Acquisition [Member] \| Trademarks [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)			7 years
Mobcrush Acquisition [Member] \| Trademarks [Member] \| Minimum [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)			4 years
Mobcrush Acquisition [Member] \| Trademarks [Member] \| Maximum [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)			5 years
Mobcrush Acquisition [Member] \| Trademarks [Member] \| Measurement Input, Discount Rate [Member]
Intangible Asset, Measurement Input			14
Mobcrush Acquisition [Member] \| Technology-Based Intangible Assets [Member] \| Measurement Input, Royalty Rate [Member] \| Minimum [Member]
Intangible Asset, Measurement Input			3
Mobcrush Acquisition [Member] \| Technology-Based Intangible Assets [Member] \| Measurement Input, Royalty Rate [Member] \| Maximum [Member]
Intangible Asset, Measurement Input			5
Mobcrush Acquisition [Member] \| Influencers Content Creators [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)			5 years
Mobcrush Acquisition [Member] \| Influencers Content Creators [Member] \| Minimum [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)			20 months
Mobcrush Acquisition [Member] \| Influencers Content Creators [Member] \| Maximum [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)			4 years
Mobcrush Acquisition [Member] \| Influencers Content Creators [Member] \| Measurement Input, Discount Rate [Member]
Intangible Asset, Measurement Input			13
Mobcrush Acquisition [Member] \| Customer Relationships [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)			5 years
Mobcrush Acquisition [Member] \| Customer Relationships [Member] \| Measurement Input, Discount Rate [Member]
Intangible Asset, Measurement Input			13
Mobcrush Acquisition [Member] \| Customer Relationships [Member] \| Measurement Input, Rate of Return [Member]
Intangible Asset, Measurement Input			14
Mobcrush Acquisition [Member] \| Customer Relationships [Member] \| Measurement Input, Discount Period [Member]
Intangible Asset, Measurement Input			0.5
Mobcrush Acquisition [Member] \| Customer Relationships [Member] \| Measurement Input, Risk Adjusted Return [Member]
Intangible Asset, Measurement Input			1.1
Mobcrush Acquisition [Member] \| Developed Technology Rights [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)			5 years
Bannerfy Acquisition [Member]
Business Combination, Acquisition Related Costs		$ 62,000
Amortization of Intangible Assets				$ 110,000
Business Combination Consideration Transferred Including Contingent Consideration		7,000,000.0
Business Combination, Consideration Transferred, Total		2,450,000
Payments to Acquire Businesses, Gross		525,000
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		$ 1,920,000
Business Acquisition, Share Price (in dollars per share) \| $ / shares		$ 4.10				$ 4.10
Business Combination, Holdback Amount		$ 275,000
Business Combination, Holdback Amount, Cash Portion		55,000
Business Combination, Holdback Amount, Common Stock Portion		220,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		$ 4,550,000				$ 4,550,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High, Percent, Remainder of Fiscal Year		8.00%				8.00%
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High, Percent, Year One		38.00%				38.00%
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High, Percent, Year Two		54.00%				54.00%
Business Combination, Contingent Consideration, Percent Payable in Cash		21.00%				21.00%
Business Combination, Contingent Consideration, Percent Payable in Common Stock		79.00%				79.00%
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities		$ 556,000				$ 556,000
Bannerfy Acquisition [Member] \| Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate						1.00%
Bannerfy Acquisition [Member] \| Developed Technology Rights [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		7 years
Bloxbiz [Member]
Stock Issued During Period, Shares, Acquisitions (in shares) \| shares	1,031,928
Business Combination, Acquisition Related Costs	$ 47,000
Amortization of Intangible Assets							$ 102,000
Business Combination, Consideration Transferred, Total	6,000,000
Payments to Acquire Businesses, Gross	3,000,000
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 3,000,000
Business Acquisition, Share Price (in dollars per share) \| $ / shares	$ 2.91
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 11,500,000
Bloxbiz [Member] \| Measurement Input, Rate of Return [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	30
Bloxbiz [Member] \| Measurement Input, Discount Period [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.5
Bloxbiz [Member] \| Measurement Input, Risk Adjusted Return [Member] \| Minimum [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	1.1
Bloxbiz [Member] \| Measurement Input, Risk Adjusted Return [Member] \| Maximum [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	1.3
Bloxbiz [Member] \| Measurement Input, Cost of Capital [Member] \| Weighted Average [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	30
Bloxbiz [Member] \| Customer Relationships [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)	3 years
Bloxbiz [Member] \| Developed Technology Rights [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)	7 years
Mobcrush Acquisition [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares			$ 0.001
Preferred Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares			$ 0.001