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Note 13 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2025

Equity [Abstract]

Schedule of Capital Reserved for Future Issuance [Table Text Block]

Common stock reserved for future issuance consists of the following as of December 31, 2025:

Stock options outstanding under 2019 Equity Incentive Plan			499,676
Restricted stock units outstanding under 2019 Equity Incentive Plan			296,285
Performance stock units outstanding under 2019 Equity Incentive Plan, at target			502,022
Shares authorized for future issuance under 2019 Equity Incentive Plan			4,211,864
Shares authorized for future issuance under 2019 Employee Stock Purchase Plan			1,581,244
Total			7,091,091

Share-Based Payment Arrangement, Cost by Plan [Table Text Block]

The below table summarizes the Company’s stock-based compensation expense for each period presented:

		Year ended December 31,
		2025				2024				2023
		($ in thousands)
Stock-based compensation expense		$	21,014			$	16,685			$	14,913

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

The following table summarizes stock option transactions for the year ended December 31, 2025:

		Number of shares				Weighted-average exercise price				Weighted-average remaining contractual term (in years)				Aggregate intrinsic value ($ in thousands)
Outstanding at January 1, 2025			588,385			$	33.76				4.9			$	42,273
Options granted			—				—
Options exercised			(88,175	)			42.59
Options cancelled			(534	)			83.46
Outstanding at December 31, 2025			499,676			$	32.15				3.9			$	51,273
Vested and Exercisable at December 31, 2025			499,676			$	32.15				3.9			$	51,273

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

The following table summarizes RSU transactions for the year ended December 31, 2025:

		Number of shares				Weighted-average grant date fair value
Outstanding at January 1, 2025			320,411			$	65.03
Granted			141,575				116.77
Released			(157,431	)			63.93
Forfeited			(8,270	)			86.71
Non-vested outstanding at December 31, 2025			296,285			$	89.73

Schedule of Key Valuation Input Used in Monte Carlo Simulation [Table Text Block]

		2025 Awards
Term		2.9 years
Risk-free interest rate (1)			4.22	%
Volatility (2)			45.00	%
Weighted average fair value (3)		$	116.50

(1)The risk-free interest rate was based on the zero-coupon U.S. Treasury yield curve on the valuation date, with a maturity matched to the performance period.

(2)Volatility is derived from historical stock prices as well as implied volatility when appropriate and available.

(3)The weighted average of fair values used to record compensation expense as determined by the Monte Carlo simulation.

Schedule of Nonvested Performance-Based Units Activity [Table Text Block]

The following table summarizes PSU transactions for the year ended December 31, 2025:

		Number of shares				Weighted-average grant date fair value
Outstanding at January 1, 2025			460,450			$	40.43
Granted			86,844				99.61
Vested			(41,400	)			50.35
Forfeited			(3,872	)			75.21
Non-vested outstanding at December 31, 2025			502,022			$	49.58

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