XML 57 R43.htm IDEA: XBRL DOCUMENT v3.22.4
Note 9 - Share-based Compensation - Shares Authorized, Available for Future Grant and Outstanding Under Each Plan (Details)
Dec. 31, 2022
shares
Authorized (in shares) 1,950,000
Available (in shares) 1,103,217
Outstanding (in shares) 324,760
The 2016 Plan [Member]  
Authorized (in shares) 1,300,000
Available (in shares) 880,011
Outstanding (in shares) 306,760
2014 Directors Plan [Member]  
Authorized (in shares) 650,000
Available (in shares) 223,206
Outstanding (in shares) 12,000
The 2004 Directors Plan [Member]  
Available (in shares) 0
Outstanding (in shares) 6,000