Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Note 2 - Summary of Significant Accounting Policies - Revenue From Unaffiliated Customers by Geographic Area (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Revenue $ 5,525 $ 3,076 $ 9,224 $ 6,117
UNITED STATES        
Revenue 4,552 1,895 7,158 3,791
Asia Pacific [Member]        
Revenue 630 690 1,521 1,433
Europe And Middle East [Member]        
Revenue 329 456 531 568
Latin America [Member]        
Revenue $ 14 $ 35 $ 14 $ 325