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COMMON STOCK - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Apr. 22, 2022
Feb. 01, 2021
Jun. 30, 2023
Jun. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2023
Dec. 31, 2022
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Dec. 30, 2022
Dec. 29, 2022
Apr. 02, 2022
Mar. 31, 2021
Jun. 30, 2020
Jun. 16, 2020
Share-based compensation expense:                                  
Common stock, shares authorized (in shares)     225,000,000 225,000,000   225,000,000 225,000,000 225,000,000   225,000,000 225,000,000     125,000,000      
Repayments of secured debt     $ 1,997 $ 20,846 $ 3,247 $ 22,096 $ 4,497 $ 23,346 $ 5,747 $ 24,596 $ 94,301            
Total shares reserved for future issuance (in shares)                 800,000                
Senior Secured Term Loan                                  
Share-based compensation expense:                                  
Minimum registrable securities to request a S-1                                 40.00%
June 2020 Warrants                                  
Share-based compensation expense:                                  
Warrant exercise price (in dollars per share)                 $ 2.77 $ 2.79 $ 3.00            
June 2020 Warrants | Down Round Feature                                  
Share-based compensation expense:                                  
Class of warrant or right, additional warrants issued (in shares) 256,111                                
Warrant exercise price (in dollars per share) $ 2.79                                
June 2020 Warrants | Warrant Repricing Feature                                  
Share-based compensation expense:                                  
Class of warrant or right, additional warrants issued (in shares) 27,269                                
Warrant exercise price (in dollars per share) $ 2.77                                
June 2020 Warrants | Advisor                                  
Share-based compensation expense:                                  
Class of warrant or right, additional warrants issued (in shares)                               50,000  
Warrant exercise price (in dollars per share)                               $ 3.00  
December 2018 Warrants                                  
Share-based compensation expense:                                  
Class of warrant or right, additional warrants issued (in shares) 20,417                                
Warrant exercise price (in dollars per share) $ 1.33               1.33 $ 1.33 $ 1.33            
June 2023 Warrants                                  
Share-based compensation expense:                                  
Warrant exercise price (in dollars per share)                 $ 1.00                
June 2023 Warrants | Advisor                                  
Share-based compensation expense:                                  
Class of warrant or right, additional warrants issued (in shares)     50,000                            
Warrant exercise price (in dollars per share)     $ 1.00                            
Restricted stock units                                  
Share-based compensation expense:                                  
Vesting period                 3 years                
Unrecognized compensation cost related to stock options granted                 $ 2,600                
Weighted-average period for recognition (in years)                 2 years                
Awards vested, fair value                 $ 6,400 $ 5,200 $ 5,000            
Shares granted (in shares)                 1,200,000 2,900,000 2,800,000            
Employee stock purchase plan                                  
Share-based compensation expense:                                  
Shares available for future equity grants (in shares)                 88,000 88,000 688,000       1,077,000    
Common stock purchase price, percentage                 85.00%                
Market (PSUs)                                  
Share-based compensation expense:                                  
Unrecognized compensation cost related to stock options granted                 $ 600                
Weighted-average period for recognition (in years)                 1 year                
Shares granted (in shares)                 100,000 400,000 600,000            
Market (PSUs) | Minimum                                  
Share-based compensation expense:                                  
Vesting period                 1 year                
Market (PSUs) | Maximum                                  
Share-based compensation expense:                                  
Vesting period                 3 years                
Performance PSUs                                  
Share-based compensation expense:                                  
Weighted-average period for recognition (in years)                 1 year                
Shares granted (in shares)                 900,000 900,000 0            
Performance share units                                  
Share-based compensation expense:                                  
Awards vested, fair value                 $ 1,000 $ 1,900 $ 3,900            
2012 Long-Term Incentive Plan                                  
Share-based compensation expense:                                  
Shares authorized (in shares)                 7,400,000                
Shares available for future equity grants (in shares)                 6,700,000                
Plan term                 7 years                
2012 Long-Term Incentive Plan | Nonemployee director                                  
Share-based compensation expense:                                  
Vesting period                 1 year                
2012 Long-Term Incentive Plan | Minimum | Employee                                  
Share-based compensation expense:                                  
Vesting period                 1 year                
2012 Long-Term Incentive Plan | Maximum | Employee                                  
Share-based compensation expense:                                  
Vesting period                 3 years                
2012 Long-Term Incentive Plan | Stock options, PSUs, and Restricted Shares                                  
Share-based compensation expense:                                  
Shares outstanding (in shares)                 1,600,000                
2021 Inducement Plan                                  
Share-based compensation expense:                                  
Common stock, shares authorized (in shares)                       1,500,000 770,000        
2021 Inducement Plan | Stock options                                  
Share-based compensation expense:                                  
Plan term   7 years                              
2021 Inducement Plan | Stock options | Minimum                                  
Share-based compensation expense:                                  
Vesting period   2 years                              
2021 Inducement Plan | Stock options | Maximum                                  
Share-based compensation expense:                                  
Vesting period   3 years                              
2021 Inducement Plan | Restricted stock units                                  
Share-based compensation expense:                                  
Plan term   7 years                              
2021 Inducement Plan | Restricted stock units | Minimum                                  
Share-based compensation expense:                                  
Vesting period   2 years                              
2021 Inducement Plan | Restricted stock units | Maximum                                  
Share-based compensation expense:                                  
Vesting period   3 years                              
Rights Offering                                  
Share-based compensation expense:                                  
Number of shares issued in transaction (in shares) 30,000,000                                
Sale of stock, price per share (in dollars per share) $ 2.25                                
Maximum available amount $ 66,200                                
Repayments of secured debt $ 20,000