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Note 13 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended	12 Months Ended
	Jan. 28, 2026	Jan. 20, 2026	Jan. 12, 2026	Feb. 13, 2026	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Jan. 27, 2026
Debt Conversion, Original Debt, Amount					$ 25,750	$ 0	$ 0
Gain (Loss) on Extinguishment of Debt					(2,819)	$ 0	$ (151)
Conversion of 2030 Notes Into Common Stock [Member]
Debt Conversion, Original Debt, Amount					$ 8,500
Debt Conversion, Converted Instrument, Shares Issued (in shares)					1,197,288
The 2030 Convertible Notes [Member]
Debt Instrument, Convertible, Conversion Price (in dollars per share)					$ 7.12
Subsequent Event [Member] \| The 2030 Convertible Notes [Member] \| Conversion of 2030 Notes Into Common Stock [Member]
Debt Conversion, Original Debt, Amount				$ 15,100
Debt Conversion, Converted Instrument, Shares Issued (in shares)				2,118,250
Debt Instrument, Convertible, Conversion Price (in dollars per share)				$ 7.12
Subsequent Event [Member] \| Key Facility [Member]
Line of Credit Facility, Fair Value of Amount Outstanding								$ 20,000
Subsequent Event [Member] \| The 2026 Notes [Member]
Gain (Loss) on Extinguishment of Debt	$ 100
Pelthos Therapeutics, Inc. [Member] \| Debt Securities [Member] \| Subsequent Event [Member]
Payments to Acquire Investments		$ 20,000	$ 30,000