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Net Loss per Share Attributable to Common Stockholders - Calculation of basic and diluted net loss per share (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Numerator:        
Net loss attributable to common stockholders $ (2,547,450) $ (1,692,062) $ (12,091,540) $ (9,057,163)
Denominator:        
Weighted average shares used in computing net loss per share attributable to common stockholders, basic 5,044,775 4,549,686 4,732,774 3,767,472
Weighted average shares used in computing net loss per share attributable to common stockholders, diluted 5,044,775 4,549,686 4,732,774 3,767,472
Net loss per share attributable to common stockholders, basic $ (0.50) $ (0.37) $ (2.55) $ (2.40)
Net loss per share attributable to common stockholders, diluted $ (0.50) $ (0.37) $ (2.55) $ (2.40)