Note 5 - Fair Value Measurements - Schedule of Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Equity Securities, FV-NI	$ 1,320
Total Assets	1,320
Forward Contract Liabilities	2,471
5% Notes	322	$ 357
Total Liabilities	2,793	357
Fair Value, Inputs, Level 1 [Member]
Equity Securities, FV-NI	1,320
Total Assets	1,320
Forward Contract Liabilities	0
5% Notes	0	0
Total Liabilities	0	0
Fair Value, Inputs, Level 2 [Member]
Equity Securities, FV-NI	0
Total Assets	0
Forward Contract Liabilities	2,471
5% Notes	0	0
Total Liabilities	2,471	0
Fair Value, Inputs, Level 3 [Member]
Equity Securities, FV-NI	0
Total Assets	0
Forward Contract Liabilities	0
5% Notes	322	357
Total Liabilities	$ 322	$ 357