Annual report [Section 13 and 15(d), not S-K Item 405]

Note 17 - 401(k) Savings Plan (Details Textual)

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Note 17 - 401(k) Savings Plan (Details Textual) - The 401K Plan [Member] - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Defined Contribution Plan, Cost $ 210,000 $ 180,000
Maximum [Member]    
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 4.00%