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Note 11 - Stockholders' Equity (Details Textual) - USD ($)			3 Months Ended		6 Months Ended
	May 19, 2026	Feb. 13, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001		$ 0.001		$ 0.001		$ 0.001
Gain (Loss) on Extinguishment of Debt			$ (347,000)	$ 99,000	$ (347,000)	$ (51,000)
Stock Issued During Period, Value, New Issues			$ 270,000		780,000
Proceeds from Issuance of Common Stock					$ 780,000	$ 0
Private Placement [Member]
Stock Issued During Period, Shares, New Issues	6,350,000	3,550,000
Shares Issued, Price Per Share	$ 0.2	$ 0.2
Cash Proceeds From Issuance of Common Stock	$ 270,000
Repayments of Debt for Issuance of Common Stock	868,000
Gain (Loss) on Extinguishment of Debt	$ 347,000
Stock Issued During Period, Value, New Issues		$ 710,000
Proceeds from Issuance of Common Stock		510,000
Extinguishment of Debt, Amount		$ 200,000
Private Placement [Member] \| Related Party [Member]
Stock Issued During Period, Shares, New Issues		1,350,000
Private Placement [Member] \| Director 1 [Member]
Stock Issued During Period, Shares, New Issues		500,000
Private Placement [Member] \| Director 2 [Member]
Stock Issued During Period, Shares, New Issues		250,000
Private Placement [Member] \| Chief Operating Officer [Member]
Stock Issued During Period, Shares, New Issues		250,000
Private Placement [Member] \| President [Member]
Stock Issued During Period, Shares, New Issues		250,000
Private Placement [Member] \| Chief Financial Officer [Member]
Stock Issued During Period, Shares, New Issues		100,000