Annual report pursuant to Section 13 and 15(d)

Note 13 - Segment Information - Long-lived Assets (Details)

v3.22.0.1
Note 13 - Segment Information - Long-lived Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Total long-lived assets $ 463 $ 539
UNITED STATES    
Total long-lived assets 221 227
UNITED KINGDOM    
Total long-lived assets 105 146
CHINA    
Total long-lived assets 90 47
Other Foreign Countries [Member]    
Total long-lived assets $ 47 $ 119