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Note 14 - Common Stock (Details Textual)					3 Months Ended
Note 14 - Common Stock (Details Textual)	Feb. 06, 2026 USD ($) $ / shares shares	Mar. 31, 2025 USD ($) shares	Mar. 07, 2025 $ / shares	Feb. 11, 2025 USD ($) shares	Mar. 31, 2026 $ / shares shares	Feb. 28, 2026 $ / shares	Dec. 31, 2025 $ / shares shares	Dec. 09, 2025 $ / shares
Common Stock, Shares, Issued (in shares)					2,879,857		2,525,778
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares			$ 0.0001		$ 0.0001		$ 0.0001	$ 0.0001
Common Stock, Shares, Outstanding (in shares)					2,879,857		2,525,778
Prefunded Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares					$ 0.0001	$ 0.0001
Statera Securities Purchase Agreement [Member]
Proceeds from Issuance or Sale of Equity \| $				$ 1,200,000
Statera Securities Purchase Agreement [Member] \| Series A Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)				360
Stock Issued During Period, Value, New Issues \| $				$ 1,200,000
Statera Securities Purchase Agreement [Member] \| Common Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)				55,635
Statera and Avenue Securities Purchase Agreement [Member]
Stock Issued During Period, Value, New Issues \| $		$ 500,000
Statera and Avenue Securities Purchase Agreement [Member] \| Series A Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)		131
Statera and Avenue Securities Purchase Agreement [Member] \| Common Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)		55,704
Tumim Purchase Agreement [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares	$ 0.0001
Equity Issuable, Maximum Value \| $	$ 50,000,000
Tumim Purchase Agreement [Member] \| Prefunded Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	437,012
Warrants and Rights Outstanding \| $	$ 375,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares	$ 0.0001
Tumim Purchase Agreement [Member] \| Prefunded Warrants [Member] \| Minimum [Member]
Equity Issuable, Maximum Percent of Shares Ownable	4.99%
Tumim Purchase Agreement [Member] \| Prefunded Warrants [Member] \| Maximum [Member]
Equity Issuable, Maximum Percent of Shares Ownable	9.99%
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio			17		17