XML 66 R56.htm IDEA: XBRL DOCUMENT v3.23.1
Note 9 - Share-based Compensation - Share-Based Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Stock-based compensation $ 1,290 $ 1,167
Share-Based Payment Arrangement, Option [Member]    
Stock-based compensation 662 619
Restricted Stock Units (RSUs) [Member]    
Stock-based compensation 477 408
Performance-based Restricted Units [Member]    
Stock-based compensation $ 151 $ 140