Note 4 - Summary of Significant Accounting Policies - Allowance for Credit Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Balance	$ 4,070	$ 2,245	$ 3,760	$ 2,236
Accounts Receivable, Credit Loss Expense (Reversal)	(183)	330	40	330
Written off during the period	0	0	0	0
Exchange translation adjustments	(172)	(121)	(121)	(112)
Balance as of end of the period	3,715	2,454	3,715	2,454
Balance	850	0	617	0
Provision for credit loss during the period	337	617	415	617
Written off during the period	0	0	0	0
Exchange translation adjustments	0	0	0	0
Balance	1,187	617	1,187	617
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance	0	0	36	0
Balance	$ 0	$ 0	$ 155	$ 0