Note 14 - Other Income and Expense - Other Income and Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Foreign exchange transaction gain (loss)	$ (289)	$ 427	$ (811)	$ 218
Government subsidy income	84	115	102	154
Other non-operating gain	28	31	45	32
Loan forgiveness	0	6,229	(0)	6,229
Gain (loss) on disposal of assets	(3)	(5)	35	(5)
Total other income (expenses) , net	$ (180)	$ 6,797	$ (629)	$ 6,628