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Note 8 - Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

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, 2021			2,204,000				$ 4.41				7.1				$ —
Granted			—				—				—				—
Exercised			—				—				—				—
Expired			(65,000)				1.10				—				—
Outstanding as of March 31, 2022			2,139,000				$ 4.37				7.1				$ —
Options exercisable as of March 31, 2022			1,242,000				$ 3.98				7.1				$ —

Schedule of Nonvested Share Activity [Table Text Block]

		Number of options				Weighted average exercise price per share				Weighted average remaining contractual term (in years)
Unvested as of December 31, 2021			897,000			$	4.91				7.3
Granted			—				—				—
Vested			—				—				—
Unvested as of March 31, 2022			897,000			$	4.91				7.1

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, 2021			3,111,321			$	8.03
Granted			100,000			$	2.11
Vested and delivered			(718,175	)		$	4.16
Withheld as treasury stock (1)			(208,329	)		$	4.56
Vested not delivered (2)			(45,731	)		$	3.42
Forfeited			(253,475	)		$	3.75
Unvested as of March 31, 2022			1,985,611			$	10.15

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

		Three Months Ended March 31,
		2022				2021
Sales and marketing		$	170			$	163
Product development			160				268
General and administrative			658				800
Share-based compensation expense			988				1,231
Capitalized in intangible assets			27				41
Total share-based compensation		$	1,015			$	1,272

X

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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