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Note 5 - Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2025

Notes Tables

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

		Three Months Ended June 30,								Six Months Ended June 30,
		2025				2024				2025				2024
Stock-based compensation:
Cost of revenue		$	253			$	156			$	390			$	409
Sales and marketing			795				798				1,150				1,510
Research, development and engineering			1,221				645				1,628				1,263
General and administrative			1,502				807				1,863				2,055
Stock-based compensation expense			3,771				2,406				5,031				5,237
Capitalized to software and patent costs			49				3				54				20
Total stock-based compensation		$	3,820			$	2,409			$	5,085			$	5,257

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

		June 30,				December 31,
		2025				2024
Total unrecognized compensation costs		$	18,892			$	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)			1.05				1.60				1.70

Nonvested Restricted Stock Shares Activity [Table Text Block]

						Weighted
						Average
		Number of				Grant Date
Three Months Ended June 30, 2025:		Shares				Fair Value
Unvested balance at March 31, 2025			50			$	27.85
Granted			47			$	12.89
Vested			(23	)		$	28.91
Forfeited			—			$	—
Unvested balance at June 30, 2025			74			$	18.15

						Weighted
						Average
		Number of				Grant Date
Six Months Ended June 30, 2025:		Shares				Fair Value
Unvested balance at December 31, 2024			59			$	29.98
Granted			47			$	12.89
Vested			(32	)		$	32.62
Forfeited			—			$	—
Unvested balance at June 30, 2025			74			$	18.15

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

		Three Months Ended June 30,								Six Months Ended June 30,
		2025				2024				2025				2024
Fair value of RSAs vested		$	295			$	1,211			$	596			$	1,761

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

						Weighted
						Average
		Number of				Grant Date
Three Months Ended June 30, 2025:		Shares				Fair Value
Unvested balance at March 31, 2025			251			$	25.76
Granted			565			$	13.38
Vested			(98	)		$	17.36
Forfeited			(39	)		$	27.64
Unvested balance at June 30, 2025			679			$	16.25

						Weighted
						Average
		Number of				Grant Date
Six Months Ended June 30, 2025:		Shares				Fair Value
Unvested balance at December 31, 2024			406			$	28.27
Granted			575			$	13.79
Vested			(147	)		$	20.75
Forfeited			(155	)		$	28.02
Unvested balance at June 30, 2025			679			$	16.25

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

		Three Months Ended June 30,								Six Months Ended June 30,
		2025				2024				2025				2024
Fair value of RSU awards vested		$	1,311			$	1,318			$	3,037			$	3,047

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

						Weighted
						Average
		Number of				Grant Date
Three Months Ended June 30, 2025:		Shares				Fair Value
Unvested balance at March 31, 2025			161			$	28.60
Change in units based on performance expectations			—			$	—
Granted			417			$	15.25
Vested			—			$	—
Forfeited			(18	)		$	33.12
Unvested balance at June 30, 2025			560			$	18.49

						Weighted
						Average
		Number of				Grant Date
Six Months Ended June 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			417			$	15.25
Vested			(49	)		$	42.43
Forfeited			(18	)		$	33.12
Unvested balance at June 30, 2025			560			$	18.49

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

		Three Months Ended June 30,								Six Months Ended June 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 June 30,								Six Months Ended June 30,
		2025				2024				2025				2024
Stock price		$	13.16			$	25.39			$	13.16			$	36.64
Expected volatility			70.9	%			66.3	%			70.9	%			66.3	%
Risk-free interest rate			3.8	%			4.3	%			3.8	%			4.3	%

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