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STOCKHOLDERS' EQUITY - Narrative (Details)
 1 Months Ended 3 Months Ended 6 Months Ended
Aug. 31, 2024
$ / shares
year
shares
Jun. 30, 2025
USD ($)
$ / shares
year
shares
Mar. 31, 2025
USD ($)
shares
Mar. 31, 2024
shares
Jun. 30, 2025
USD ($)
$ / shares
year
shares
Jun. 30, 2024
USD ($)
Dec. 31, 2024
$ / shares
Stockholders’ Equity [Line Items]              
Issuance of common stock upon exercise of warrants (in shares) | shares   40,000          
Proceeds from the exercise of warrants, net | $         $ 4,860,000 $ 6,000  
Warrants, issued (in shares) | shares         3,049,424    
Exercise price (in dollars per share)   $ 8.12     $ 8.12   $ 12.63
Gross proceeds from issuances of common stock | $         $ 3,000,000.0    
Stock issuance costs | $         299,000    
Remaining borrowing capacity | $   $ 649,000     $ 649,000    
Series H              
Stockholders’ Equity [Line Items]              
Issuance of common stock upon exercise of warrants (in shares) | shares   1,458,872          
Sale of stock, price per share (in dollars per share)   $ 0.125     $ 0.125    
Proceeds from the exercise of warrants, net | $   $ 182,000          
Warrants, issued (in shares) | shares         1,458,872    
Exercise price (in dollars per share)   $ 4.15     $ 4.15    
Warrant exercise, gross proceeds | $   $ 4,500,000          
Warrant exercise, issuance cost | $   $ 507,000          
Series H | Maximum              
Stockholders’ Equity [Line Items]              
Number of warrants (in shares) | shares   1,458,872     1,458,872    
Series H | Measurement Input, Share Price              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input   5.09     5.09    
Series H | Measurement Input, Price Volatility              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input   1.14     1.14    
Series H | Measurement Input, Expected Term              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input | year   1.3     1.3    
Series H | Measurement Input, Expected Dividend Rate              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input   0     0    
Series H | Measurement Input, Risk Free Interest Rate              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input   0.037     0.037    
Original Warrants              
Stockholders’ Equity [Line Items]              
Exercise price (in dollars per share) $ 2.90            
Warrant exercise, gross proceeds | $     $ 1,100,000        
Warrant exercise, issuance cost | $     250,000        
Modification of terms related to certain warrants | $     $ 58,000        
Series F-1              
Stockholders’ Equity [Line Items]              
Warrants, issued (in shares) | shares 251,884       0    
Exercise price (in dollars per share) $ 4.35 $ 4.35     $ 4.35    
Weighted average remaining life 4 years 6 months            
Series F-1 | Measurement Input, Share Price              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input 2.38            
Series F-1 | Measurement Input, Price Volatility              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input 1.20            
Series F-1 | Measurement Input, Expected Term              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input | year 4.5            
Series F-1 | Measurement Input, Expected Dividend Rate              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input 0            
Series F-1 | Measurement Input, Risk Free Interest Rate              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input 0.040            
Series F-2              
Stockholders’ Equity [Line Items]              
Warrants, issued (in shares) | shares 122,834       0    
Exercise price (in dollars per share) $ 4.35 $ 4.35     $ 4.35    
Weighted average remaining life 1 year            
Series F-2 | Measurement Input, Share Price              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input 2.38            
Series F-2 | Measurement Input, Price Volatility              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input 1.11            
Series F-2 | Measurement Input, Expected Term              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input | year 1            
Series F-2 | Measurement Input, Expected Dividend Rate              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input 0            
Series F-2 | Measurement Input, Risk Free Interest Rate              
Stockholders’ Equity [Line Items]              
Warrants, fair value, measurement input 0.040            
Series F-1, Series F-2 and Dealer Manager Warrants              
Stockholders’ Equity [Line Items]              
Warrants, issued (in shares) | shares     1,517,608        
Common Stock              
Stockholders’ Equity [Line Items]              
Issuance of common stock upon exercise of warrants (in shares) | shares   1,498,872 374,718 460      
Issuance of common stock, net of issuance costs (in shares) | shares   489,341 365,319   854,660