Annual report pursuant to Section 13 and 15(d)

MEZZANINE EQUITY (Details)

v3.22.4
MEZZANINE EQUITY (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2022
observer
Mar. 31, 2021
USD ($)
$ / shares
shares
Feb. 29, 2020
owner
$ / shares
shares
Jun. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
Oct. 31, 2022
shares
Apr. 30, 2022
shares
Temporary Equity [Line Items]                
Number of institutional shareholders | owner     2          
Convertible preferred stock issued by each unit (in shares) | shares   1            
Shares of stock for each warrant (in shares) | shares   2.5            
Warrants issued (in shares) | shares         22,855,540   896,031 750,000
Warrants exercise price (in dollars per share)         $ 0.85      
Stock issuance costs | $         $ 0 $ 387    
Proceeds from sale | $   $ 23,000            
Payments to fund construction and upgrades | $   7,800            
Repayments of debt | $       $ 15,200        
Mixed Unit with Convertible Preferred Stock and Warrant                
Temporary Equity [Line Items]                
Value of units purchased | $   $ 23,000            
Price per unit (in dollars per unit)   $ 3.70            
Shares issued at closing (in shares) | shares   6,216,216            
Warrant                
Temporary Equity [Line Items]                
Warrants term   4 years            
Fair value of warrants | $   $ 9,500            
Stock issuance costs | $   $ 387            
Hadron Healthcare Master Fund | Warrant                
Temporary Equity [Line Items]                
Warrants exercise price (in dollars per share)   $ 1.087            
Hadron Healthcare Master Fund | Maximum | Common stock                
Temporary Equity [Line Items]                
Warrants issued (in shares) | shares   15,540,540            
Series B Convertible Preferred Stock                
Temporary Equity [Line Items]                
Shares issued, price per share (in dollars per share)     $ 3.00          
Term of option to convert     6 years          
Conversion price (in dollars per share)     $ 3.00          
VWAP prior to six-year anniversary     $ 4.00          
Number of consecutive trading days     20 days          
Number of consecutive trading days after six year anniversary     60 days          
Conversion price after six-year anniversary (in dollars per share)     $ 1.00          
VWAP, less than or equal to     0.50          
VWAP, greater than     $ 0.50          
Series B Convertible Preferred Stock | Two Unaffiliated Institutional Shareholders                
Temporary Equity [Line Items]                
Conversion of common stock to preferred stock (in shares) | shares     4,908,333          
Series C Convertible Preferred Stock | Minimum                
Temporary Equity [Line Items]                
Outstanding percentage.   50.00%            
Series C Convertible Preferred Stock | Hadron Healthcare Master Fund                
Temporary Equity [Line Items]                
Financing facility, amount available for use | $   $ 46,000            
Number of observers to board | observer 1              
Common stock                
Temporary Equity [Line Items]                
Number of shares issued upon conversion (in shares) | shares   5