Quarterly report [Sections 13 or 15(d)]

Note 2 - Summary of Significant Accounting Policies - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details)

v3.26.1
Note 2 - Summary of Significant Accounting Policies - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) - shares
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Total potential dilutive securities (in shares) [1] 1,558,080 306,718 1,567,754 255,252
Restricted Stock Units (RSUs) [Member]        
Total potential dilutive securities (in shares) [1] 241,900 124,332 251,574 72,866
Warrant [Member]        
Total potential dilutive securities (in shares) [1] 1,316,180 182,386 1,316,180 182,386
[1] Securities are presented on a weighted average outstanding calculation as required if the securities were dilutive and adjusted to give effect to the August 4, 2025 reverse stock splits.