XML 57 R41.htm IDEA: XBRL DOCUMENT v3.22.2.2
Note 9 - Per Share Data - Antidilutive Securities Excluded from Computation (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Antidilutive securities (in shares) 32,180   12,901  
Warrant [Member]        
Antidilutive securities (in shares)   1,047,296   0
Share-Based Payment Arrangement, Option [Member]        
Antidilutive securities (in shares)   150,000   153,055
Restricted Stock Units (Stock Settled) [Member]        
Antidilutive securities (in shares)   204,591   181,730