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Note 4 - Fair-value Measurements (Tables)

6 Months Ended

Jun. 30, 2025

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

		June 30, 2025
		Level 1				Level 3				Total
		(In thousands)
Assets:
Cash and cash equivalents:
Certificate of deposit classified as non-current restricted investments		$	1,054			$	—			$	1,054
Short-term investment:
Money-market funds			26,840				—				26,840
Total Assets		$	27,894			$	—			$	27,894
Liabilities:
Share-settled liability		$	—			$	(7,627	)		$	(7,627	)
Term Loan
Call and put options derivative (1)			—				113				113
2029 Notes:
2029 Notes conversion option derivative			—				(15,020	)			(15,020	)
Total Liabilities		$	—			$	(22,534	)		$	(22,534	)

		December 31, 2024
		Level 1				Level 3				Total
		(In thousands)
Assets:
Cash and cash equivalents:
Certificate of deposit classified as non-current restricted investments		$	1,054			$	—			$	1,054
Short-term investment:
Money-market funds			86,732				—				86,732
Total Assets		$	87,786			$	—			$	87,786
Liabilities:
Term Loan
Call and put options derivative (1)		$	—			$	235			$	235
Total Liabilities		$	—			$	235			$	235

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

		June 30,				December 31,
		2025				2024
Term Loan derivative
Interest comprised of:
SOFR benchmark rate			3.04 - 4.08	%			3.91 - 4.30	%
Securitized discount rate			11.80	%			13.16	%
Yield volatility			26	%			21	%
Probability weighted term (in years)			1.9				3.4

		June 30,
		2025
2029 Notes conversion option derivative
Stock price (per share)		$	3.00
Unsecuritized discount rate			18.88	%
Risk-free rate			3.66	%
Stock price volatility			70	%
Dividend yield			—	%
Term (in years)			4.0

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

		Balance as of												Balance as of
		December 31,												June 30,
		2024				Additions				Change in Fair Value				2025
		(In thousands)
Liabilities:
Share-settled liability		$	—			$	(7,627	)		$	—			$	(7,627	)
Term Loan
Call and put options derivative			235				-				(122	)			113
2029 Notes:
2029 Notes conversion option derivative			—				(15,020	)			—				(15,020	)
Total Liabilities		$	235			$	(22,647	)		$	(122	)		$	(22,534	)

X

- Definition

Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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-Topic 820
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-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
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Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
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-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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