v3.26.1
NATURE OF OPERATIONS (Details)
3 Months Ended 12 Months Ended
Dec. 17, 2025
USD ($)
$ / shares
shares
Dec. 16, 2025
USD ($)
Mar. 31, 2026
USD ($)
segment
shares
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
segment
shares
Dec. 31, 2024
USD ($)
shares
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Number of operating segments | segment     1   1  
Preferred stock, shares issued (in shares) | shares     0   0 0
Preferred stock, value, issued      
Cash dividend $ 16,500,000 $ 14,500,000        
Cash, cash equivalents and restricted cash     24,900,000   29,000,000  
Accumulated deficit     761,238,000   757,653,000 731,170,000
Debt outstanding     0   0  
Net loss     (3,585,000) $ (8,611,000) (26,483,000) (39,834,000)
Cash used in operations     (4,081,000) $ (11,461,000) (33,124,000) $ (33,972,000)
Lincoln Park Equity Purchase Agreement            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Sale of stock, public float threshold     $ 75,000,000   $ 75,000,000  
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          
Series A Preferred Stock | Pre - Fund Warrants            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Preferred stock, value, issued $ 100,000,000