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Note 13 - Stock-based Compensation - Stock Option Valuation Assumptions (Details) - The 2021 Plan [Member] - Share-Based Payment Arrangement, Option [Member]
Mar. 16, 2026
Expected life (in years) (Year) 6 years 1 month 6 days
Expected volatility 58.20%
Risk-free rate 3.90%
Dividend yield 0.00%