Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Net Loss Per Share - Schedule of Antidilutive Shares Excluded from Computation of Net Loss Per Share (Details)

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Note 11 - Net Loss Per Share - Schedule of Antidilutive Shares Excluded from Computation of Net Loss Per Share (Details) - shares
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Employee and Non-employee Stock Options [Member]    
Antidilutive Securities (in shares) 2,773,498 2,159,413
Warrant [Member]    
Antidilutive Securities (in shares) 265,000 265,000
Deferred Share Units [Member]    
Antidilutive Securities (in shares) 213,905 134,402
Restricted Stock Units (RSUs) [Member]    
Antidilutive Securities (in shares) 12,867 0