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 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Employee and Non-employee Stock Options [Member]        
Antidilutive Securities (in shares) 1,395,399 1,251,893 1,395,399 1,251,893
Warrant [Member]        
Antidilutive Securities (in shares) 265,000 807,563 265,000 807,563
Deferred Share Units [Member]        
Antidilutive Securities (in shares) 47,237 21,183 47,237 21,183