Quarterly report [Sections 13 or 15(d)]

Note 2 - Significant Accounting Policies - Antidilutive Securities (Details)

v3.25.2
Note 2 - Significant Accounting Policies - Antidilutive Securities (Details) - shares
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Antidilutive securities (in shares) 1,968,428 1,499,924
Restricted Stock Units (RSUs) [Member]    
Antidilutive securities (in shares) 532 1,028
Deferred Restricted Stock Units [Member]    
Antidilutive securities (in shares) 235,000 0
Warrant [Member]    
Antidilutive securities (in shares) 1,476,200 1,476,200
Share-Based Payment Arrangement, Option [Member]    
Antidilutive securities (in shares) 256,474 22,474
Class A Preferred Shares [Member]    
Antidilutive securities (in shares) [1] 222 222
[1] Class A preferred shares are presented on an as-if converted basis.