Segment Information (Details - intangible assets, long-term investment) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Long-lived assets	$ 65,642	$ 59,127
AUSTRALIA
Long-lived assets	577	916
UNITED STATES
Long-lived assets	37,021	26,929
JAPAN
Long-lived assets	1,414	1,556
ITALY
Long-lived assets	1,749	2,042
UNITED KINGDOM
Long-lived assets	9,477	10,251
GREECE
Long-lived assets	$ 15,404	$ 17,433