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Note 5 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

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

		Three Months Ended September 30,								Nine Months Ended September 30,
		2025				2024				2025				2024
Stock-based compensation:
Cost of revenue		$	336			$	154			$	726			$	563
Sales and marketing			577				688				1,727				2,198
Research, development and engineering			1,244				648				2,872				1,911
General and administrative			1,708				1,212				3,571				3,267
Stock-based compensation expense			3,865				2,702				8,896				7,939
Capitalized to software and patent costs			61				5				115				25
Total stock-based compensation		$	3,926			$	2,707			$	9,011			$	7,964

Share-Based Payment Arrangement, Nonvested Award, Cost [Table Text Block]

		September 30,				December 31,
		2025				2024
Total unrecognized compensation costs		$	15,491			$	16,226

Employee Service Share Based Compensation Non Vested Awards Compensation Cost Not Yet Recognized Period for Recognition [Table Text Block]

		RSAs				RSUs				PRSUs
Weighted average period (in years)			1.06				1.47				1.41

Nonvested Restricted Stock Shares Activity [Table Text Block]

						Weighted
						Average
		Number of				Grant Date
Three Months Ended September 30, 2025:		Shares				Fair Value
Unvested balance at June 30, 2025			74			$	18.15
Granted			22			$	12.27
Vested			(5	)		$	19.52
Forfeited			—			$	—
Unvested balance at September 30, 2025			91			$	16.59

						Weighted
						Average
		Number of				Grant Date
Nine Months Ended September 30, 2025:		Shares				Fair Value
Unvested balance at December 31, 2024			59			$	29.98
Granted			69			$	12.69
Vested			(37	)		$	30.61
Forfeited			—			$	—
Unvested balance at September 30, 2025			91			$	16.59

Schedule of Fair Value of Restricted Stock Awards Vested [Table Text Block]

		Three Months Ended September 30,								Nine Months Ended September 30,
		2025				2024				2025				2024
Fair value of RSAs vested		$	73			$	308			$	668			$	2,069

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

						Weighted
						Average
		Number of				Grant Date
Three Months Ended September 30, 2025:		Shares				Fair Value
Unvested balance at June 30, 2025			679			$	16.25
Granted			98			$	8.98
Vested			(120	)		$	16.46
Forfeited			(41	)		$	19.69
Unvested balance at September 30, 2025			616			$	14.83

						Weighted
						Average
		Number of				Grant Date
Nine Months Ended September 30, 2025:		Shares				Fair Value
Unvested balance at December 31, 2024			406			$	28.27
Granted			673			$	13.09
Vested			(267	)		$	18.81
Forfeited			(196	)		$	26.30
Unvested balance at September 30, 2025			616			$	14.83

Schedule of Fair Value of Restricted Stock Units Vested [Table Text Block]

		Three Months Ended September 30,								Nine Months Ended September 30,
		2025				2024				2025				2024
Fair value of RSU awards vested		$	1,082			$	1,356			$	4,119			$	4,403

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

						Weighted
						Average
		Number of				Grant Date
Three Months Ended September 30, 2025:		Shares				Fair Value
Unvested balance at June 30, 2025			560			$	18.49
Change in units based on performance expectations			—			$	—
Granted			3			$	8.81
Vested			—			$	—
Forfeited			(39	)		$	18.18
Unvested balance at September 30, 2025			524			$	18.45

						Weighted
						Average
		Number of				Grant Date
Nine Months Ended September 30, 2025:		Shares				Fair Value
Unvested balance at December 31, 2024			215			$	32.08
Change in units based on performance expectations			(5	)		$	42.43
Granted			421			$	15.20
Vested			(49	)		$	42.43
Forfeited			(58	)		$	23.04
Unvested balance at September 30, 2025			524			$	18.45

Schedule of Fair Value of Performance Stock Units Vested [Table Text Block]

		Three Months Ended September 30,								Nine Months Ended September 30,
		2025				2024				2025				2024
Fair value of PRSU awards vested		$	—			$	—			$	1,707			$	2,370

Performance Shares [Member]

Notes Tables

Schedule of Share-Based Payment Award, Valuation Assumptions [Table Text Block]

		Three Months Ended September 30,								Nine Months Ended September 30,
		2025				2024				2025				2024
Stock price		$	—			$	—			$	13.16			$	36.64
Expected volatility			—				—				70.9	%			66.3	%
Risk-free interest rate			—				—				3.8	%			4.3	%

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