XML 45 R35.htm IDEA: XBRL DOCUMENT v3.22.2.2
Note 11 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Share-based compensation expense $ 857 $ 951
General and Administrative Expense [Member]    
Share-based compensation expense 697 798
Research and Development Expense [Member]    
Share-based compensation expense $ 160 $ 153