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Note 8 - Share-based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

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, 2020			2,294,000			$	4.34				8.0			$	2,256
Granted			108,000			$	6.33				9.7				—
Exercised			(198,000	)
Outstanding as of September 30, 2021			2,204,000			$	4.41				7.4			$	—
Options exercisable as of September 30, 2021			1,307,000			$	4.06				7.2			$	—

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, 2020			1,225,000			$	3.93				8.4
Granted			108,000			$	6.33				9.7
Vested			(436,000	)
Unvested as of September 30, 2021			897,000			$	4.91				7.6

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, 2020			3,377,097			$	7.09
Granted			1,684,061			$	4.67
Vested and delivered			(2,381,364	)		$	2.93
Withheld as treasury stock (1)			(143,913	)		$	4.71
Vested not delivered (2)			570,335			$	2.70
Forfeited			(291,428	)		$	4.57
Unvested as of September 30, 2021			2,814,788			$	8.64

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

		Three Months Ended September 30,								Nine Months Ended September 30,
		2021				2020				2021				2020
Sales and marketing		$	188			$	172			$	560			$	659
Product development			167				291				668				814
General and administrative			790				707				2,349				3,375
Share-based compensation expense			1,145				1,170				3,577				4,848
Capitalized in intangible assets			23				34				94				120
Total share-based compensation		$	1,168			$	1,204			$	3,671			$	4,968

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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