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Note 12 - Common Stock and Stock-based Compensation Plans (Unaudited) (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

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

		Number of options				Weighted average exercise price				Weighted average remaining contractual term				Aggregate intrinsic value
Outstanding as of December 31, 2022			106,000			$	20.24				2.0			$	609
Granted			19,425				21.62
Exercised			(26,000	)			19.36
Forfeited or expired			—				—
Outstanding as of September 30, 2023 (unaudited)			99,425			$	20.74				2.8			$	120
Exercisable as of September 30, 2023 (unaudited)			80,000			$	20.53				1.8			$	120

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

		Number of RSUs and PSUs				Weighted Average Grant- Date Fair Value
Unvested as of December 31, 2022			879,277			$	37.57
Granted			880,053				20.94
Vested			(339,329	)			39.03
Forfeited or expired			(116,448	)			35.17
Unvested as of September 30, 2023 (unaudited)			1,303,553			$	26.18

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

		Nine months ended September 30,								Three months ended September 30,
		2023 (unaudited)				2022 (unaudited)				2023 (unaudited)				2022 (unaudited)
Cost of revenue		$	636			$	511			$	216			$	187
Research and development, net			6,703				5,988				2,257				2,105
Sales and marketing			1,305				1,030				478				380
General and administrative			2,787				2,004				1,018				699
Total equity-based compensation expense from continuing operations			11,431				9,533				3,969				3,371
Equity-based compensation expense included in discontinued operations			875				850				273				320
Total equity-based compensation expense		$	12,306			$	10,383			$	4,242			$	3,691

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

		Nine months ended September 30								Three months ended September 30
		2023 (unaudited)				2022 (unaudited)				2023 (unaudited)				2022 (unaudited)
Expected dividend yield		0%				0%					0	%			0%
Expected volatility		45%	-	47%		38%	-	50%			47	%		40%	-	50%
Risk-free interest rate		4.8%	-	5.5%		0.5%	-	3.0%			5.5	%		0.8%	-	3.0%
Contractual term of up to (months)		6				6					6				6

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.

+ References

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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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