Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Note 2 - Summary of Significant Accounting Policies - Revenue From Unaffiliated Customers by Geographic Area (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Revenue $ 1,450 $ 1,304
North America [Member]    
Revenue 925 688
Asia Pacific [Member]    
Revenue 519 597
Europe And Middle East [Member]    
Revenue 6 5
Latin America [Member]    
Revenue $ 14