Note 10 - Debt (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Schedule of Debt [Table Text Block]

											Face Value
	Contractual		Stated				Conversion				Principal
	Maturity Date		Interest Rate				Price per Share				Outstanding				Fair Value
2024 Convertible Notes	November 22, 2029			12.000	%		$	1.00			$	21,975			$	25,200
Balance as of March 31, 2026											$	21,975			$	25,200

											Face Value
	Contractual		Stated				Conversion				Principal
	Maturity Date		Interest Rate				Price per Share				Outstanding				Fair Value
2024 Convertible Notes	November 22, 2029			12.000	%		$	1.00			$	21,975			$	24,000
Balance as of December 31, 2025											$	21,975			$	24,000

Schedule of Changes in the Fair Value of Debt [Table Text Block]

		2024				Other Income
		Convertible Notes				(expense)
Fair Value at December 31, 2025		$	24,000			$	—
Non-installment payments – common stock			(75	)			—
Non-installment payments – cash interest paid			(584	)			—
Change in fair value			1,859				(1,859	)
Fair Value at March 31, 2026		$	25,200
Other Income (Expense) - Change in fair value – three months ended March 31, 2026						$	(1,859	)

		2024				Other Income
		Convertible Notes				(expense)
Fair Value at December 31, 2024		$	18,600			$	—
Non-installment payments – common stock			(32	)			—
Non-installment payments – cash interest paid			(246	)			—
Change in fair value			14,478				(14,478	)
Fair Value at March 31, 2025		$	32,800
Other Income (Expense) - Change in fair value – three months ended March 31, 2025						$	(14,478	)