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Net Loss Per Share (Tables)
9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Schedule of earnings per share, basic and diluted
   Three Months Ended
September 30,
   Nine Months Ended
September 30,
 
   2021   2022   2021   2022 
Numerator:                
Net loss  $(5,201)  $(5,557)  $(7,265)  $(12,730)
                     
Denominator:                    
Weighted-average shares outstanding used in computing net loss per share attributable to common stockholders, basic and diluted
   14,167,098    15,061,995    10,538,473    15,050,389 
Net loss per share attributable to common stockholders, basic and diluted
  $(0.37)  $(0.37)  $(0.69)  $(0.85)

 

Schedule of antidilutive securities excluded from computation of diluted net loss per share
  

Three Months Ended

September 30,

  

Nine Months Ended

September 30,

 
   2021   2022   2021   2022 
                 
Options to purchase common stock   822,457    1,165,397    822,457    1,165,397 
Warrants to purchase common stock   4,784,193    4,784,193    4,784,193    4,784,193 
Total   5,606,650    5,949,590    5,606,650    5,949,590