Annual report pursuant to Section 13 and 15(d)

Note 2 - Summary of Significant Accounting Policies - Revenue From Unaffiliated Customers by Geographic Area (Details)

v3.20.4
Note 2 - Summary of Significant Accounting Policies - Revenue From Unaffiliated Customers by Geographic Area (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Revenue $ 5,479 $ 6,567
Asia Pacific [Member]    
Revenue 2,732 2,349
North America [Member]    
Revenue 2,537 3,672
CANADA    
Revenue 110 277
Europe And Middle East [Member]    
Revenue 86 254
Latin America [Member]    
Revenue $ 14 $ 15