Stock-based compensation (Tables) |
3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Stock-based compensation [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Activities of 2024 Plan and Prior Plans | The following table summarizes information about activities within the 2024 Plan and Prior Plans for the three months ended June 30, 2025:
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| Weighted-Average Assumptions of Options Granted | The weighted-average grant date fair value of awards for options granted during the three months ended June 30, 2025 was $1.78. The fair value of options granted was estimated using the Black-Scholes option pricing model, resulting in the following weighted-average assumptions for the options granted:
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| Compensation Expense Recognized Under 2024 Plan | Compensation expense recognized under the 2024 Plan and the Prior Plan is summarized as follows:
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