General form of registration statement for all companies including face-amount certificate companies

SHAREHOLDERS' (DEFICIT) EQUITY - Stock Options (Details)

v3.24.2
SHAREHOLDERS' (DEFICIT) EQUITY - Stock Options (Details) - Stock options - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]        
Options at beginning of period (in shares) 2,024 2,724 3,345  
Options granted (in shares)   556 361  
Options exercised (in shares)     (2)  
Options canceled / expired (in shares)   (1,256) (980)  
Options at end of period (in shares) 1,170 2,024 2,724 3,345
Options vested and exercisable as at end of the period 1,126 1,498    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]        
Exercise Price at beginning of period (in dollars per share) $ 1,683.90 $ 2,332.80 $ 2,001.60  
Options granted (in dollars per share)   15.48 1,857.60  
Options exercised (in dollars per share)     1,814.40  
Options canceled / expired (in dollars per share)   2,354.76 903.60  
Exercise Price at end of period (in dollars per share) 2,189.70 1,683.90 $ 2,332.80 $ 2,001.60
Exercise Price vested and exercisable (in dollars per share) $ 2,192.58 $ 2,041.20    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]        
Weighted Average Remaining Contractual Life (in years) 2 years 3 years 6 months 2 years 9 months 18 days 3 years 7 months 6 days
Weighted Average Remaining life vested and exercisable (in years) 1 year 10 months 24 days 2 years