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Note 8 - Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

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		$	2.81			$	1.58			$	1.46			$	4.34
Fair value higher range		$	2.86			$	1.61			$	1.49			$	4.43
Exercise price		$	4.72			$	2.56			$	2.33			$	6.33
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, 2022			2,139,000			$	4.37				6.3			$	—
Granted			—				—				—				—
Exercised			—				—				—				—
Expired			—				—				—				—
Outstanding as of March 31, 2023			2,139,000			$	4.37				6.1			$	—
Options exercisable as of March 31, 2023			1,242,000			$	3.98				6.1			$	—

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, 2022			897,000			$	4.91				6.3
Granted			—				—				—
Vested			—				—				—
Unvested as of March 31, 2023			897,000			$	4.91				6.1

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, 2022			4,223,156			$	5.37
Granted			2,910,185			$	1.43
Vested and delivered			(848,522	)		$	3.42
Withheld as treasury stock (1)			(311,417	)		$	1.82
Vested not delivered (2)			(14,416	)		$	5.50
Forfeited			(688,891	)		$	1.43
Unvested as of March 31, 2023			5,270,095			$	4.24

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

		Three Months Ended March 31,
		2023				2022
Sales and marketing		$	167			$	170
Product development			191				160
General and administrative			763				658
Share-based compensation expense			1,121				988
Capitalized in intangible assets			27				27
Total share-based compensation		$	1,148			$	1,015

X

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