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Note 4 - Acquisitions and Investments - Business Combination, Recognized Asset Acquired and Liability Assumed (Details) - USD ($)	Jun. 30, 2026	May 01, 2026	Jan. 05, 2026	Dec. 31, 2025
Intangible Asset, Finite-Lived, Useful Life	5 years
Weighted Average Amortization Period (Year)	5 years
Goodwill	$ 4,651,000			$ 1,864,000
Misfits Purchase Agreement [Member]
Identifiable net assets acquired		$ 2,520,000
Goodwill		2,787,000
Total purchase price		$ 5,307,000
Let's Bounce, Inc [Member]
Identifiable net assets acquired			$ 373,000
Total purchase price			$ 373,000
Customer Relationships [Member]
Intangible Asset, Finite-Lived, Useful Life	5 years
Weighted Average Amortization Period (Year)	5 years
Customer Relationships [Member] \| Misfits Purchase Agreement [Member]
Intangible Asset, Finite-Lived, Useful Life		5 years
Finite-lived intangible assets, amount		$ 2,500,000
Weighted Average Amortization Period (Year)		5 years
Developed technology		$ 2,500,000
Customer Relationships [Member] \| Let's Bounce, Inc [Member]
Intangible Asset, Finite-Lived, Useful Life			3 years
Finite-lived intangible assets, amount			$ 88,000
Weighted Average Amortization Period (Year)			3 years
Developed technology			$ 88,000
Developed Technology Rights [Member]
Intangible Asset, Finite-Lived, Useful Life	5 years
Weighted Average Amortization Period (Year)	5 years
Developed Technology Rights [Member] \| Misfits Purchase Agreement [Member]
Intangible Asset, Finite-Lived, Useful Life		5 years
Finite-lived intangible assets, amount		$ 20,000
Weighted Average Amortization Period (Year)		5 years
Developed technology		$ 20,000
Developed Technology Rights [Member] \| Let's Bounce, Inc [Member]
Intangible Asset, Finite-Lived, Useful Life			3 years
Finite-lived intangible assets, amount			$ 285,000
Weighted Average Amortization Period (Year)			3 years
Developed technology			$ 285,000