XML 73 R63.htm IDEA: XBRL DOCUMENT v3.23.3
Shareholders' Equity and Share-based Compensation - Share-based Compensation (Details) - USD ($)
 3 Months Ended 155 Months Ended
Jun. 30, 2023
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2018
Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense   $ 918,000 $ 10,596,000    
Repurchase of common shares under shares repurchase program         7,332,780
Options outstanding, Weighted-Average Remaining Contractual Life (in years) 8 months 19 days 5 months 19 days      
Options vested and expected to vest (in shares)   259,375     259,375
Options vested and expected to vest (in dollars per share)   $ 7.55     $ 7.55
Options vested and expected to vest, Weighted Average Remaining Contractual Life (in years)   5 months 19 days      
Options vested and expected to vest, Aggregate Intrinsic Value   $ 5,782,281     $ 5,782,281
Exercisable at end of period (in shares)   259,375     259,375
Exercisable at end of period (in dollars per share)   $ 7.55     $ 7.55
Exercisable at end of period, Weighted Average Remaining Contractual Life (in years)   5 months 19 days      
Exercisable at end of period, Aggregate Intrinsic Value   $ 5,782,281     $ 5,782,281
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]          
Outstanding at beginning of period (in shares)   319,375      
Outstanding at end of period (In shares) 319,375 259,375     259,375
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]          
Outstanding at beginning of period (in dollars per share)   $ 7.53      
Outstanding at end of period (in dollars per share) $ 7.53 $ 7.55     $ 7.55
Options outstanding, Aggregate Intrinsic Value $ 8,071,631 $ 5,782,281     $ 5,782,281
2018 Market-based Restricted Stock Units (MSU)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense   300,000 600,000    
Granted (in shares)       1,300,000  
Performance Based Restricted Stock Units (PRSUs) Member          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense   $ 400,000 $ 1,600,000    
Granted (in shares)   0