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Stockholders' Equity - Summary of Common Stock Options Outstanding (Details)
12 Months Ended
Dec. 31, 2021
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of Shares Outstanding | shares 1,025,499
Number of Shares Exercisable | shares 1,013,455
2011 Plan  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Exercise Price Range, Lower Limit $ 0.46
Exercise Price Range, Upper Limit $ 0.80
Number of Shares Outstanding | shares 120,529
Weighted Average Remaining Contractual Life (in years) 1 year 11 months 19 days
Weighted Average Exercise Price $ 0.54
Number of Shares Exercisable | shares 120,529
Weighted Average Remaining Contractual Life (in years) 1 year 11 months 19 days
Weighted Average Exercise Price $ 0.54
2015 Plan  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Exercise Price Range, Lower Limit 1.08
Exercise Price Range, Upper Limit $ 1.95
Number of Shares Outstanding | shares 335,310
Weighted Average Remaining Contractual Life (in years) 5 years 14 days
Weighted Average Exercise Price $ 1.77
Number of Shares Exercisable | shares 335,310
Weighted Average Remaining Contractual Life (in years) 5 years 14 days
Weighted Average Exercise Price $ 1.77
2017 Equity Incentive Plan  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Exercise Price Range, Lower Limit 2.14
Exercise Price Range, Upper Limit $ 4.09
Number of Shares Outstanding | shares 569,660
Weighted Average Remaining Contractual Life (in years) 8 years 18 days
Weighted Average Exercise Price $ 2.46
Number of Shares Exercisable | shares 557,616
Weighted Average Remaining Contractual Life (in years) 8 years 18 days
Weighted Average Exercise Price $ 2.46