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3. Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2022
Accounting Policies [Abstract]  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following potentially dilutive securities outstanding for the three and nine months ended September 30, 2022 and 2021 have been excluded from the computation of diluted weighted average shares outstanding, as they would be anti-dilutive (in thousands):

 

Three and Nine Months
Ended September 30,
2022 2021
Outstanding stock options 10,400 7,295
Restricted stock units   - 2,400
Outstanding warrants 2,545 2,635
Convertible debt     3,704     -
16,649 12,330