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Note 8 - Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Issuance Date		February 1, 2019				December 20, 2019				March 1, 2020				March 1, 2021
Fair value lower range		$	16.86			$	9.48			$	8.76			$	26.04
Fair value higher range		$	17.16			$	9.66			$	8.94			$	26.58
Exercise price		$	28.32			$	15.36			$	13.98			$	37.98
Expected term (in years)			1.0 - 1.3				1.0 - 1.6				1.0 - 1.5				1.0 - 1.3
Expected volatility			65	%			70	%			70	%			80	%
Dividend yield			—	%			—	%			—	%			—	%
Risk-free rate			2.61	%			1.85	%			1.05	%			1.18	%

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

		Number of options				Weighted average exercise price per share				Weighted average remaining contractual term (in years)				Aggregate intrinsic value
Outstanding as of December 31, 2023			302,333			$	25.68				5.4			$	—
Granted(1)			16,667				3.36				9.9				—
Exercised			(20,666	)			—				—				—
Forfeited			—				—				—				—
Outstanding as of June 30, 2024			298,334			$	25.15				5.2			$	—
Options exercisable as of June 30, 2024			263,668			$	25.65				4.8			$	—

Schedule of Nonvested Share Activity [Table Text Block]

		Number of stock options				Weighted average exercise price per share				Weighted average remaining contractual term (in years)
Unvested as of December 31, 2023			123,833			$	29.72				5.4
Granted(1)			16,667				3.36				9.9
Forfeited			—				—				—
Vested			(105,834	)			—				—
Unvested as of June 30, 2024			34,666			$	21.34				8.2

Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

		Number of units				Weighted average grant-date fair value
Unvested as of December 31, 2023			731,538			$	25.95
Granted			654,411				3.67
Vested and delivered			(295,310	)			10.19
Withheld as treasury stock (1)			—				—
Vested not delivered (2)			(1,487	)			10.50
Forfeited			(95,177	)			14.22
Unvested as of June 30, 2024			993,975				17.55

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

		Three Months Ended June 30,								Six Months Ended June 30,
		2024				2023				2024				2023
Sales and marketing		$	57			$	129			$	141			$	296
Product development			55				136				100				327
General and administrative			311				671				782				1,434
Share-based compensation expense			423				936				1,023				2,057
Capitalized in intangible assets			11				24				29				51
Total share-based compensation		$	434			$	960			$	1,052			$	2,108

X

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