v3.26.1
NATURE OF OPERATIONS (Details)
3 Months Ended 6 Months Ended
Jul. 24, 2026
shares
Jul. 10, 2026
USD ($)
Dec. 17, 2025
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
segment
shares
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
shares
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]                
Number of operating segments | segment           1    
Preferred stock, shares issued (in shares) | shares       0   0   0
Preferred stock, value, issued       $ 0   $ 0   $ 0
Cash and cash equivalents       22,925,000   22,925,000   24,027,000
Accumulated deficit       764,245,000   764,245,000   $ 757,653,000
Debt outstanding       0   0    
Net loss       $ 3,007,000 $ 5,755,000 6,592,000 $ 14,366,000  
Cash used in operations           $ 6,073,000 $ 22,264,000  
Subsequent Event                
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]                
Cash dividend   $ 17,300,000            
Reverse stock split ratio 0.02              
Fractional shares (in shares) | shares 0              
Series A Preferred Stock                
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]                
Preferred stock, shares issued (in shares) | shares     20,242,911 0   0   0
Preferred stock purchase price (in dollars per share) | $ / shares     $ 4.94          
Proceeds from issuance of preferred stock     $ 100,000,000.0          
Series A Preferred Stock | Pre - Fund Warrants                
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]                
Preferred stock, value, issued     $ 100,000,000.0