Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Net Loss Per Share - Antidilutive Securities (Details)

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Note 7 - Net Loss Per Share - Antidilutive Securities (Details) - shares
3 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Antidilutive securities (in shares) 7,877,935 38,078
Restricted Stock Units (RSUs) [Member]    
Antidilutive securities (in shares) 98,137 21,412
Warrant [Member]    
Antidilutive securities (in shares) 6,078,132 0
Share-Based Payment Arrangement, Option [Member]    
Antidilutive securities (in shares) 1,685,000 0
Class A Preferred Shares [Member]    
Antidilutive securities (in shares) 16,666 16,666