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Note 8 - Interest Expense and Other - Schedule of Interest Expense and Other Nonoperating Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Common stock purchase agreements costs	$ 195	$ 0	$ 306	$ 0
Debt issuance costs	36	0	2,020	0
Amortization of premiums (accretion of discounts) on marketable securities, net	(90)	(170)	(181)	(441)
Expected credit losses	2	20	2	34
Other	222	94	326	34
Interest expense and other	$ 365	$ (56)	$ 2,473	$ (373)

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- Definition

Amount of common stock purchase agreement costs.

+ References

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- Definition

Represents the amount of interest expense and other nonoperating expense classified as other.

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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- Definition

Amount of accretion (amortization) of purchase discount (premium) on nonoperating securities.

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Amount of income (expense) related to nonoperating activities, classified as other.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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