Note 3 - Revenue - Contract Assets and Contract Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Contract assets - current (unbilled receivables)	$ 18,244	$ 28,275
Contract liabilities - current (deferred revenue)	8,847	$ 2,224
Balance	2,224
New advance payments received	10,624
Recognized as revenue during period	(3,944)
Other adjustments	5
Currency translation	(62)
Balance	$ 8,847