Note 14 - Other Income and Expense - Other Income and Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Foreign exchange transaction gain	$ 427	$ 113	$ 218	$ 252
Government subsidy income	115	876	154	981
Other non-operating gain (loss)	31	(6)	32	6
Loan forgiveness	6,229	0	6,229	(0)
Loss on disposal of assets	(5)	(9)	(5)	(9)
Total other income (expense), net	$ 6,797	$ 974	$ 6,628	$ 1,231