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 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Employee and Non-employee Stock Options [Member]        
Antidilutive Securities (in shares) 3,643,513 2,623,998 3,643,513 2,623,998
Warrant [Member]        
Antidilutive Securities (in shares) 205,000 265,000 205,000 265,000
Deferred Share Units [Member]        
Antidilutive Securities (in shares) 213,905 134,402 213,905 134,402
Restricted Stock Units (RSUs) [Member]        
Antidilutive Securities (in shares) 8,578 0 8,578 0