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Share-based Compensation - Stock Option Activity (Details)
9 Months Ended
Sep. 30, 2023
$ / shares
shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]  
Options outstanding at beginning of year | shares 488,477
Granted | shares 160,000
Exercised | shares 0
Forfeited prior to vesting | shares (5,210)
Canceled or expired | shares (31,228)
Options outstanding at end of year | shares 612,039
Options exercisable at end of year | shares 391,537
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]  
Options outstanding at beginning of year | $ / shares $ 6.48
Granted | $ / shares 1.01
Exercised | $ / shares 0
Forfeited prior to vesting | $ / shares 2.5
Canceled or expired | $ / shares 7.63
Options outstanding at end of year | $ / shares 5.03
Options exercisable at end of year | $ / shares $ 7.06