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Stock-Based Compensation - Restricted Stock Units (Details)
$ / shares in Units, $ in Millions
9 Months Ended
Sep. 30, 2022
USD ($)
$ / shares
shares
Weighted Average Exercise Price Per Share  
Unrecognized stock-based compensation expense | $ $ 4.3
Unrecognized compensation expense, weighted-average period expected to be recognized 2 years 7 months 6 days
RSUs  
Number of Restricted Stock Units  
Balance, beginning of period | shares 384,307
Granted | shares 612,527
Vested | shares (268,298)
Cancelled/forfeited | shares (24,094)
Balance, end of period | shares 704,442
Weighted Average Exercise Price Per Share  
Balance, beginning of period (price per share) | $ / shares $ 5.00
Granted (price per share) | $ / shares 7.12
Vested (price per share) | $ / shares 5.90
Cancelled/forfeited (price per share) | $ / shares 5.88
Balance, end of period (price per share) | $ / shares $ 6.47
2016 Employee Incentive Plan | RSUs  
Weighted Average Exercise Price Per Share  
Unrecognized stock-based compensation expense | $ $ 3.8
Unrecognized compensation expense, weighted-average period expected to be recognized 2 years 6 months