XML 83 R69.htm IDEA: XBRL DOCUMENT v3.24.1
Stock-Based Compensation - Service Based Stock Options (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2023
USD ($)
$ / shares
shares
Shares Underlying Options  
Outstanding at the beginning of the period (in shares) 1,206,905
Outstanding at the end of the period (in shares) 1,328,621
Service Based Stock Option Awards  
Shares Underlying Options  
Outstanding at the beginning of the period (in shares) 1,206,905
Granted (in shares) 497,245
Expired (in shares) (146,230)
Forfeited (in shares) (229,299)
Outstanding at the end of the period (in shares) 1,328,621
Exercisable at end of period (in shares) 361,531
Weighted Average Exercise Price  
Outstanding at the beginning of the period (in dollars per share) | $ / shares $ 8.32
Granted (in dollars per share) | $ / shares 1.58
Expired (in dollars per share) | $ / shares 22.76
Forfeited (in dollars per share) | $ / shares 2.47
Outstanding at the end of the period (in dollars per share) | $ / shares 5.22
Exercise price (in dollars per share) | $ / shares $ 14.19
Weighted Average Remaining Contractual Term  
Outstanding 8 years 6 months
Exercisable 7 years 3 months 18 days
Aggregate Intrinsic Value (in $1,000's)  
Outstanding | $ $ 450
Exercisable at end of period | $ $ 76