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Stock-based Compensation - Schedule of Restricted Stock Units ("RSU") Activity (Details) - Outstanding restricted stock units
6 Months Ended
Jun. 30, 2021
$ / shares
shares
Number of Shares  
Beginning balance - Outstanding (shares) | shares 29,087
Options granted in period (shares) | shares 113,675
Vested (shares) | shares (5,788)
Forfeited (shares) | shares (2,200)
Ending balance - Outstanding (shares) | shares 134,774
Weighted Average Grant Date Fair Value Per Share  
Beginning balance - Outstanding (in dollars per share) | $ / shares $ 9.52
Granted (in dollars per share) | $ / shares 7.94
Vested (in dollars per share) | $ / shares 10.68
Forfeited (in dollars per share) | $ / shares 7.47
Ending balance - Outstanding (in dollars per share) | $ / shares $ 8.17
Vesting percentage 25.00%
Vesting period of options 4 years