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

6 Months Ended

Jun. 30, 2023

Notes Tables

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

		Number of options (1)				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			—				—
Exercised			(26,000	)			19.36
Forfeited or expired			—				—
Outstanding as of June 30, 2023			80,000			$	20.53				2.0			$	446
Exercisable as of June 30, 2023			80,000			$	20.53				2.0			$	446

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			717,034				21.31
Vested			(257,426	)			39.06
Forfeited or expired			(68,060	)			35.45
Unvested as of June 30, 2023 (unaudited)			1,270,825			$	28.21

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

		Six months ended June 30,								Three months ended June 30,
		2023 (unaudited)				2022 (unaudited)				2023 (unaudited)				2022 (unaudited)
Cost of revenue		$	794			$	683			$	390			$	344
Research and development, net			4,593				4,001				2,420				2,006
Sales and marketing			861				673				468				340
General and administrative			1,816				1,335				927				613
Total equity-based compensation expense		$	8,064			$	6,692			$	4,205			$	3,303

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

		Six months ended June 30
		2023 (unaudited)				2022 (unaudited)
Expected dividend yield			0	%			0	%
Expected volatility			45	%			38	%
Risk-free interest rate			4.8	%			0.5	%
Contractual term of (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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-Name Accounting Standards Codification
-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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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
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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.

+ References

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-Subparagraph (c)(1)
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