Note 17 - Geographic Information - Asset Information by Geographic Region (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Long-lived assets	$ 226,128	$ 259,862
UNITED STATES
Long-lived assets	81,834	87,709
TAIWAN
Long-lived assets	50,847	63,644
CHINA
Long-lived assets	$ 93,447	$ 108,509

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599

Name:	us-gaap_NoncurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant