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Note 12 - Stock-based Compensation - Schedule of Outstanding Unvested Stock Options (Details) | 3 Months Ended
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Oct. 31, 2024 $ / shares shares
Balance, Non-vested, number of shares (in shares) | shares | 1,086,988
Nonvested, Weighted Average Grant-Date Fair Value (in dollars per share) | $ / shares | $ 2.83
Granted, Non-vested, number of shares (in shares) | shares | 24,415
Granted, Nonvested, Weighted Average Grant-Date Fair Value (in dollars per share) | $ / shares | $ 4.09
Cancelled/Forfeited, Non-vested, number of shares (in shares) | shares | (12,062)
Cancelled/Forfeited, Nonvested, Weighted Average Grant-Date Fair Value (in dollars per share) | $ / shares | $ 2.85
Vested, Non-vested, number of shares (in shares) | shares | (87,325)
Vested, Nonvested, Weighted Average Grant-Date Fair Value (in dollars per share) | $ / shares | $ 3.19
Balance, Non-vested, number of shares (in shares) | shares | 1,012,016
Nonvested, Weighted Average Grant-Date Fair Value (in dollars per share) | $ / shares | $ 2.83

X
- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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