Note 6 - Short-term investments	6 Months Ended
Jun. 30, 2025
Notes to Financial Statements
Other Assets Disclosure [Text Block]	6. Short-term investments: As of June 30, 2025, the Company holds one zero-coupon U.S. treasury bill with a face value of $18,991 at a cost of $18,591. As of December 31, 2024, the Company held one zero-coupon U.S. treasury bill with a face value of $18,591 at a cost of $18,389.

The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets.

No definition available.

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