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Note 2 - Revenue Recognition (Details Textual)	3 Months Ended
Note 2 - Revenue Recognition (Details Textual)	Mar. 31, 2026	Mar. 31, 2025
Maximum [Member]
Contract with Customer, Payment Term (Day)	90 days
Minimum [Member]
Contract with Customer, Payment Term (Day)	30 days
Product Sales Through Distribution Arrangements [Member] \| Revenue Benchmark [Member] \| Customer Concentration Risk [Member]
Concentration Risk, Percentage	88.00%	83.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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