Quarterly report pursuant to Section 13 or 15(d)

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

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Note 2 - Significant Accounting Policies - Antidilutive Securities (Details) - shares
3 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Antidilutive securities (in shares) 1,499,925 105,051
Restricted Stock Units (RSUs) [Member]    
Antidilutive securities (in shares) 1,028 1,311
Warrant [Member]    
Antidilutive securities (in shares) 1,476,200 81,043
Share-Based Payment Arrangement, Option [Member]    
Antidilutive securities (in shares) 22,474 22,474
Class A Preferred Shares [Member]    
Antidilutive securities (in shares) 223 223