XML 67 R57.htm IDEA: XBRL DOCUMENT v3.23.1
Note 11 - Revenues - Deferred Revenue (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Deferred revenue $ 4,121 $ 3,370
Service [Member]    
Deferred revenue 2,179 1,530
Customer Advances [Member]    
Deferred revenue $ 1,942 $ 1,840