Note 6 - Stockholders' Equity and Equity-linked Instruments (Details Textual)			1 Months Ended	3 Months Ended
	Jan. 16, 2026	Feb. 14, 2025 USD ($) shares	Sep. 30, 2024 USD ($) $ / shares shares	Mar. 31, 2026 USD ($) $ / shares shares	Mar. 31, 2025 USD ($) $ / shares shares	Dec. 31, 2025 $ / shares shares	Oct. 22, 2025 USD ($) $ / shares shares
Preferred Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares				$ 0.001		$ 0.001	$ 0.001
Preferred Stock, Shares Issued (in shares) \| shares				1,223		98,636
Preferred Stock, Shares Outstanding (in shares) \| shares				1,223		98,636
Preferred Stock, Stated Value \| $							$ 1,000
Fair Value Adjustment of Warrants \| $				$ (4,000)	$ (717,000)
Series AAA-3 and AAA-4 Junior Preferred Stock Warrants [Member]
Fair Value Adjustment of Warrants \| $				0	270,000
Warrants Issued With Placement Agent Agreement [Member]
Fair Value Adjustment of Warrants \| $				$ 4,000	$ 447,000
Series C Preferred Stock [Member]
Preferred Stock, Shares Issued (in shares) \| shares				1,153		1,153
Preferred Stock, Shares Outstanding (in shares) \| shares				1,153		1,153
Series C Preferred Stock [Member] \| Minimum [Member]
Ownership Percentage							4.99%
Series C Preferred Stock [Member] \| Maximum [Member]
Ownership Percentage							9.99%
Series C Preferred Stock [Member] \| YP Exchange Agreement [Member]
Shares Designated \| shares							4,700
Preferred Stock, Convertible, Conversion Price, At Issuance \| $ / shares							$ 12
Equity Purchase Agreement [Member]
Equity Offering, Maximum Amount \| $		$ 2,900,000
Stock Issued During Period, Shares, New Issues \| shares		625			1,494
Stock Issued During Period, Value, New Issues \| $		$ 159,000
Shares Issued, Price Per Share \| $ / shares					$ 163.2
Proceeds from Issuance of Common Stock \| $					$ 231,000
Series AAA-3 & AAA-4 Junior Subscription Agreements [Member]
Stock Issued During Period, Shares, New Issues \| shares			1,096
Proceeds from Issuance or Sale of Equity \| $			$ 1,096,000
Series AAA-3 & AAA-4 Junior Subscription Agreements [Member] \| Series AAA-3 and AAA-4 Junior Preferred Stock Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right \| shares			3
Class of Warrant or Right, Issued During Period, Purchase Price \| $ / shares			$ 1,000
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	12

Super League Enterprise, Inc. 10-Q