Quarterly report pursuant to Section 13 or 15(d)

Stock Options - Option Activity (Details)

v3.23.2
Stock Options - Option Activity (Details) - Share-based Payment Arrangement, Option - $ / shares
 6 Months Ended 12 Months Ended
Jun. 30, 2023
Dec. 31, 2022
Number of Shares    
Beginning balance (in shares) 1,351,421  
Granted (in shares) 0  
Exercised (in shares) 0  
Forfeited/Cancelled (in shares) (118,964)  
Expired (in shares) (17,016)  
Ending balance (in shares) 1,215,441 1,351,421
Unvested (in shares) 236,637  
Vested and exercisable (in shares) 978,804  
Weighted- Average Grant Date Fair Value per Share    
Outstanding, term 6 years 3 days 6 years 5 months 26 days
Forfeitures, term 6 years 8 months 15 days  
Unvested, term 5 years 5 months 19 days  
Vested and exercisable, term 6 years 1 month 20 days  
Weighted- Average Exercise Price    
Beginning balance (in dollars per share) $ 15.09  
Granted (in dollars per share) 0  
Exercised (in dollars per share) 0  
Forfeited/Cancelled (in dollars per share) 15.52  
Expired (in dollars per share) 29.95  
Ending balance (in dollars per share) 14.84 $ 15.09
Unvested options (in dollars per share) 9.95  
Vested and exercisable (in dollars per share) $ 16.03