Quarterly report pursuant to Section 13 or 15(d)

MEZZANINE EQUITY - Narrative (Details)

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MEZZANINE EQUITY - Narrative (Details)
 1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2021
USD ($)
$ / shares
shares
Sep. 30, 2023
$ / shares
Rate
shares
Jun. 30, 2023
transaction
shares
Dec. 31, 2021
USD ($)
owner
$ / shares
shares
Dec. 31, 2022
shares
Temporary Equity [Line Items]          
Number of unaffiliated investors | owner       2  
Number of warrants per unit (in shares) 2.5        
Aggregate number of common stock (in shares)   42,199,476      
Exercise price of warrants (in dollars per share) | $ / shares $ 1.087 $ 0.68      
Value of warrants issued | $ $ 9,500,000        
Reduction to additional paid in capital | $ 400,000        
Proceeds received from sale of equity | $ 23,000,000        
Proceeds used to fund construction and upgrades of owned and managed facilities | $ 7,300,000        
Proceeds used to pay down debt and related interest | $ $ 15,700,000        
Number of transactions | transaction     2    
Hadron Healthcare          
Temporary Equity [Line Items]          
Term of warrants (in years) 4 years        
Series B Convertible Preferred Stock          
Temporary Equity [Line Items]          
Share price (in dollars per share) | $ / shares       $ 3.00  
Term of option to convert (in years)       6 years  
Conversion price of preferred stock (in dollars per share) | $ / shares       $ 3.00  
Threshold VWAP, in excess of (in dollars per share) | $ / shares       $ 4.00  
Number of consecutive trading days       20 days  
Number of consecutive trading dates after anniversary       60 days  
VWAP threshold, less than or equal to (in dollars per share) | $ / shares       $ 0.50  
Conversion ratio (in shares)       1  
Value of shares converted | $       $ 14,725,000  
VWAP threshold, greater than (in dollars per share) | $ / shares       $ 0.50  
Convertible preferred stock, outstanding (in shares)   4,908,333   4,908,333 4,908,333
Series B Convertible Preferred Stock | Exchange Agreement | Two Unaffiliated Institutional Shareholders          
Temporary Equity [Line Items]          
Debt instrument, face amount | $       $ 4,400,000  
Number of shares converted (in shares)       4,908,333  
Series C Convertible Preferred Stock          
Temporary Equity [Line Items]          
Number of shares converted (in shares)   784,334 4,276,608    
Conversion ratio (in shares) | Rate   500.00%      
Convertible preferred stock, outstanding (in shares)   1,155,274     6,216,216
Series C Convertible Preferred Stock | Hadron Healthcare          
Temporary Equity [Line Items]          
Shares issued per unit (in shares) 1        
Shares issued (in shares) 6,216,216        
Series C Convertible Preferred Stock | Securities Purchase Agreement | Maximum | Hadron Facility | Convertible Debt          
Temporary Equity [Line Items]          
Debt instrument, face amount | $ $ 46,000,000        
Units Consisting of Convertible Debt and Warrants | Securities Purchase Agreement          
Temporary Equity [Line Items]          
Value of shares purchased | $ $ 23,000,000        
Units | Securities Purchase Agreement          
Temporary Equity [Line Items]          
Price per unit (in dollars per unit) | $ / shares $ 3.70        
Common stock          
Temporary Equity [Line Items]          
Shares issued on conversion of preferred stock (per share) 5 3,921,670 21,383,040    
Common stock | Maximum          
Temporary Equity [Line Items]          
Aggregate number of common stock (in shares) 15,540,540