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Note 11 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

		Options Outstanding
		Number of Options(*)				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Life (years)
Balance—January 1, 2024			16,365			$	110.51				5.00
Options granted			—			$	—				—
Options exercised			—			$	—				—
Options canceled			(3,314	)		$	114.02				—
Balance—December 31, 2024			13,051			$	109.62				4.00
Exercisable as of December 31, 2024			13,051			$	109.62				4.00
Vested and expected to vest as of December 31, 2024			13,051			$	109.62				4.00

Nonvested Restricted Stock Shares Activity [Table Text Block]

Restricted Stock Awards		Shares(*)				Weighted Average Grant- Date Fair Value
Nonvested at January 1, 2024			840,815			$	9.73
Granted			1,395,974			$	2.45
Vested			(593,541	)		$	9.24
Forfeited			(332,259	)		$	4.88
Nonvested at December 31, 2024			1,310,989			$	3.43

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		December 31,				December 31,
		2023				2024
		(in thousands)
Sales and distribution expenses		$	2,439			$	1,783
Research and development expenses			1,414				—
General and administrative expenses			4,483				5,727
Total stock-based compensation expense		$	8,336			$	7,510

X

- Definition

Tabular disclosure of the changes in outstanding nonvested restricted stock shares.

+ References

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-Name Accounting Standards Codification
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