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Note 12 - Stock-based Compensation - Summary of Outstanding Options (Details)	9 Months Ended
	Sep. 30, 2025 $ / shares shares
Time Vesting Options [Member]
Shares outstanding (in shares) | shares	1,477,679
Weighted average remaining contractual life (Year)	7 years 9 months 21 days
Weighted average exercise price (in dollars per share)	$ 4.54
Shares exercisable (in shares) | shares	524,679
Time Vesting Options [Member] | Range One [Member]
Lower range limit (in dollars per share)	$ 0
Shares outstanding (in shares) | shares	953,000
Upper range limit (in dollars per share)	$ 3.99
Weighted average remaining contractual life (Year)	9 years 6 months 29 days
Weighted average exercise price (in dollars per share)	$ 2.39
Time Vesting Options [Member] | Range Two [Member]
Lower range limit (in dollars per share)	$ 4
Shares outstanding (in shares) | shares	480,005
Upper range limit (in dollars per share)	$ 8
Weighted average remaining contractual life (Year)	4 years 11 months 1 day
Weighted average exercise price (in dollars per share)	$ 7.39
Shares exercisable (in shares) | shares	480,005
Weighted average exercise price, exercisable (in dollars per share)	$ 7.39
Time Vesting Options [Member] | Range Three [Member]
Lower range limit (in dollars per share)	$ 8.01
Shares outstanding (in shares) | shares	44,674
Weighted average remaining contractual life (Year)	1 year 2 months 8 days
Weighted average exercise price (in dollars per share)	$ 19.84
Shares exercisable (in shares) | shares	44,674
Weighted average exercise price, exercisable (in dollars per share)	$ 19.84
Performance Vesting Options [Member]
Shares outstanding (in shares) | shares	240,000
Weighted average remaining contractual life (Year)	4 years 8 months 1 day
Weighted average exercise price (in dollars per share)	$ 7.59
Shares exercisable (in shares) | shares	240,000
Weighted average exercise price, exercisable (in dollars per share)	$ 7.59
Market Vesting Options [Member]
Shares outstanding (in shares) | shares	733,334
Weighted average remaining contractual life (Year)	6 years 8 months 15 days
Weighted average exercise price (in dollars per share)	$ 3
Shares exercisable (in shares) | shares	733,334
Weighted average exercise price, exercisable (in dollars per share)	$ 3

X

- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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-Name Accounting Standards Codification
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-Section 50
-Paragraph 2
-Subparagraph (g)
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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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

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