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Note 7 - Stockholders' Equity - Schedule of Stockholders Equity (Details) - ATM [Member] - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Sale of common stock (in shares)	303,932			0			525,310	412,239
Gross proceeds	$ 783			$ 0			$ 1,345	$ 2,438
Associated issuance costs	$ 40	$ 45	$ 27	$ 0	$ 71	$ 32	$ 112	$ 103

X

- Definition

Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.

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The cash inflow associated with the amount received from the stock plan during the period.

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