Annual report [Section 13 and 15(d), not S-K Item 405]

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

v3.26.1
Note 2 - Significant Accounting Policies - Antidilutive Securities (Details) - shares
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Antidilutive securities (in shares) 1,376,178 2,081,109
Restricted Stock Units (RSUs) [Member]    
Antidilutive securities (in shares) 532 1,028
Deferred Restricted Stock Units [Member]    
Antidilutive securities (in shares) 235,000 235,000
Common Stock Issuable [Member]    
Antidilutive securities (in shares) 111,209 112,185
Warrant [Member]    
Antidilutive securities (in shares) 772,741 1,476,200
Share-Based Payment Arrangement, Option [Member]    
Antidilutive securities (in shares) 256,474 256,474
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.