Note 4 - Revenue - Contract Assets and Contract Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Contract assets - current (unbilled receivables)	$ 4,994	$ 12,793	$ 18,244
Contract liabilities - current (deferred revenue)	6,120	3,046	8,847
Accounts receivable, net	111,376	84,129	$ 107,274
Balance, January 1	3,046	8,847
New advance payments received	17,551	4,121
Recognized as revenue during period	(14,469)	(9,930)
Currency translation	(8)	8
Balance, December 31	$ 6,120	$ 3,046