Note 16 - Subsequent Events (Details Textual) - USD ($)	Apr. 29, 2026	Jan. 26, 2025	Apr. 28, 2026	Mar. 31, 2026	Dec. 31, 2025	Sep. 05, 2025
Common Stock, Par or Stated Value Per Share (in dollars per share)				$ 0.01	$ 0.01
AI Geometric Ltd [Member]
Investment Owned, Percentage of Total Issued Share Capital		13.00%
Subsequent Event [Member] \| AI Geometric Ltd [Member]
Investment Owned, Percentage of Total Issued Share Capital	3.20%
Investment Owned, Balance, Principal Amount, Over Time	$ 1,360,000
Stock Issued During Period, Shares, Acquisition of Securities (in shares)	2,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.01
Streeterville Capital, LLC [Member] \| Stock Purchase Agreement [Member]
Stock Purchase Agreement, Maximum Value						$ 20,000,000
Streeterville Capital, LLC [Member] \| Stock Purchase Agreement [Member] \| Subsequent Event [Member]
Stock Purchase Agreement, Maximum Value			$ 8,000,000
Stock Purchase Agreement, Reduction in Minimum Balance Amount Per Each Dollar Paid Toward the Pre-Paid Purchase			0.7
Stock Purchase Agreement, Minimum Release			$ 50,000