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Note 11 - Common Stock and Stock-based Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2024

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, 2023			99,425			$	20.74				2.5			$	316
Granted			—				—
Exercised			(13,000	)			14.77
Forfeited or expired			—				—
Outstanding as of March 31, 2024 (unaudited)			86,425			$	21.64				2.6			$	213
Exercisable as of March 31, 2024 (unaudited)			67,000			$	21.64				1.5			$	192

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, 2023			1,281,751			$	24.97
Granted			414,572				17.21
Vested			(112,076	)			36.71
Forfeited or expired			(110,218	)			19.07
Unvested as of March 31, 2024 (unaudited)			1,474,029			$	22.34

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

		Three months ended March 31,
		2024 (unaudited)				2023 (unaudited)
Cost of revenue		$	203			$	206
Research and development, net			2,007				2,102
Sales and marketing			365				378
General and administrative			996				866
Total equity-based compensation expense from continuing operations			3,571				3,552
Equity-based compensation expense included in discontinued operations			—				307
Total equity-based compensation expense		$	3,571			$	3,859

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

		Three months ended March 31
		2024 (unaudited)				2023 (unaudited)
Expected dividend yield			0	%			0	%
Expected volatility			46	%			45	%
Risk-free interest rate			5.3	%			4.8	%
Contractual term of up to (months)			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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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

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.

+ References

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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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