Annual report pursuant to Section 13 and 15(d)

COMMON STOCK - Narrative (Details)

v3.23.1
COMMON STOCK - Narrative (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Apr. 22, 2022
USD ($)
yr
$ / shares
shares
Feb. 08, 2021
USD ($)
shares
Feb. 01, 2021
Mar. 31, 2023
USD ($)
$ / shares
shares
Mar. 31, 2022
USD ($)
$ / shares
shares
Mar. 31, 2021
USD ($)
shares
Dec. 30, 2022
shares
Dec. 29, 2022
shares
Sep. 30, 2022
shares
Sep. 29, 2022
shares
Apr. 21, 2022
$ / shares
Jun. 16, 2020
Share-based compensation expense:                        
Common stock, shares authorized (in shares)       225,000,000 225,000,000       225,000,000 125,000,000    
Repayments of long-term debt | $       $ 24,596 $ 94,301 $ 92,782            
Total shares reserved for future issuance (in shares)       600,000                
Warrant exercise price (in dollars per share) | $ / shares       $ 1.33                
Warrant, down round feature, increase (decrease) in equity, amount | $       $ (389)                
Senior Secured Term Loan                        
Share-based compensation expense:                        
Minimum registrable securities to request a S-1                       40.00%
$1.33 Warrants                        
Share-based compensation expense:                        
Warrants issued (in shares)       7,110,616 7,110,616              
Warrant exercise price (in dollars per share) | $ / shares       $ 1.33 $ 1.33           $ 1.33  
$3.00 Warrants                        
Share-based compensation expense:                        
Warrants issued (in shares)         3,400,000              
Warrant exercise price (in dollars per share) | $ / shares $ 2.79     $ 3.00 $ 3.00           $ 3.00  
Class of warrant or right, additional warrants issued (in shares) 256,113                      
Warrant, down round feature, increase (decrease) in equity, amount | $ $ 400                      
Warrants rights outstanding (in shares)       50,000 50,000              
$3.00 Warrants | Measurement Input, Discount Rate                        
Share-based compensation expense:                        
Measurement input 0                      
$3.00 Warrants | Measurement Input, Expected Term                        
Share-based compensation expense:                        
Measurement input | yr 8                      
$3.00 Warrants | Measurement Input, Option Volatility                        
Share-based compensation expense:                        
Measurement input 0.56                      
$3.00 Warrants | Measurement Input, Risk Free Interest Rate                        
Share-based compensation expense:                        
Measurement input 0.0285                      
Restricted stock units                        
Share-based compensation expense:                        
Vesting period       3 years                
Shares granted (in shares)       2,900,000 2,800,000 2,400,000            
Unrecognized compensation cost related to stock options granted | $       $ 9,200                
Weighted-average period for recognition (in years)       2 years                
Awards vested, fair value | $       $ 5,200 $ 5,000 $ 2,100            
Employee stock purchase plan                        
Share-based compensation expense:                        
Shares available for future equity grants (in shares)       88,000 688,000 1,077,000            
Common stock purchase price, percentage       85.00%                
Market (PSUs)                        
Share-based compensation expense:                        
Shares granted (in shares)       400,000 600,000 900,000            
Unrecognized compensation cost related to stock options granted | $       $ 1,600                
Weighted-average period for recognition (in years)       1 year                
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:                        
Shares granted (in shares)       900,000 0 500,000            
Unrecognized compensation cost related to stock options granted | $       $ 0                
Weighted-average period for recognition (in years)       1 year                
Performance share units                        
Share-based compensation expense:                        
Awards vested, fair value | $       $ 1,900 $ 3,900 $ 2,900            
2012 Long-Term Incentive Plan                        
Share-based compensation expense:                        
Shares authorized (in shares)       7,000,000                
Shares available for future equity grants (in shares)       1,400,000                
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)       5,600,000                
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) | $ / shares $ 2.25                      
Maximum available amount | $ $ 66,200                      
Repayments of long-term debt | $ $ 20,000                      
Secondary Offering                        
Share-based compensation expense:                        
Number of shares issued in transaction (in shares)   15,109,489                    
Maximum available amount | $   $ 96,800                    
Sale of stock, gross consideration received on transaction | $   $ 103,500