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Note 4 - Fair Value Measurements (Details)	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration obligation	$ 150,000	$ 61,000
Changes in fair value of contingent consideration	54,000
Money Market Funds [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value of the company's cash and cash equivalents	$ 9,800,000	12,300,000
Accrued Liabilities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration obligation		143,000
Discount Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, measurement input	0.0929
Research and Development Expense [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration obligation		200,000
Transaction related costs		$ 100,000

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