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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted-average contractual term remaining for option award outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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Note 5 - Share-based Compensation - Stock Option Activity Under Equity Incentive Plans and Director Plan (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025
Exercised, number of options (in shares)	9,145	10,014
Service based Stock Options [Member]
Beginning balance, outstanding, number of options (in shares)	608,782		608,782
Beginning balance, outstanding, weighted average exercise price (in dollars per share)	$ 27.52		$ 27.52
Granted, number of options (in shares)			17,638	11,021
Granted, weighted average exercise price (in dollars per share)			$ 22.01
Exercised, number of options (in shares)			9,145
Exercised, weighted average exercise price (in dollars per share)			$ 15.23
Expired, number (in shares)			6,839
Expired, weighted average exercise price (in dollars per share)			$ 65.8
Forfeited, number of options (in shares)			0
Outstanding, number (in shares)			610,436
Outstanding, weighted average exercise price (in dollars per share)			$ 27.12
Outstanding, weighted average contractual term (Year)			6 years 10 months 17 days
Outstanding, aggregate intrinsic value			$ 0
Exercisable, number (in shares)			568,884
Exercisable, weighted average exercise price (in dollars per share)			$ 26.58
Exercisable, weighted average remaining contractual term (Year)			6 years 10 months 20 days
Exercisable, aggregate intrinsic value			$ 0