Quarterly report [Sections 13 or 15(d)]

SHARE-BASED PAYMENTS TO VENDORS (Details)

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SHARE-BASED PAYMENTS TO VENDORS (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2026
Sep. 30, 2025
Share-based compensation                  
Share-based vendor payments               $ 222,999 $ 241,319
Fourth Quarter 2024                  
Share-based compensation                  
Share-based vendor payments (in shares) 0           1,500 0  
Share-based vendor payments       $ 4,059         16,559
Shares to be granted pursuant to vendor agreements             500    
Contract term             12 months    
Fourth Quarter 2024 | Minimum                  
Share-based compensation                  
Grant date fair value (in dollars per share)             $ 8.12    
Fourth Quarter 2024 | Median                  
Share-based compensation                  
Grant date fair value (in dollars per share)             8.2    
Fourth Quarter 2024 | Maximum                  
Share-based compensation                  
Grant date fair value (in dollars per share)             $ 16.8    
Additional Grant, Fourth Quarter 2024                  
Share-based compensation                  
Share-based vendor payments (in shares)             7,101    
Share-based vendor payments             $ 21,000    
Contract term             12 months    
Additional Grant, Fourth Quarter 2024, Renewal                  
Share-based compensation                  
Share-based vendor payments (in shares)     33,231            
Share-based vendor payments $ 21,000     21,000       $ 62,999 63,000
Contract term     12 months            
Additional Grant, Fourth Quarter 2024, Renewal | Minimum                  
Share-based compensation                  
Grant date fair value (in dollars per share)     $ 1.43       $ 6.6    
Additional Grant, Fourth Quarter 2024, Renewal | Median                  
Share-based compensation                  
Grant date fair value (in dollars per share)     2.16       8.6    
Additional Grant, Fourth Quarter 2024, Renewal | Maximum                  
Share-based compensation                  
Grant date fair value (in dollars per share)     $ 2.38       $ 14.6    
First quarter 2025                  
Share-based compensation                  
Share-based vendor payments (in shares)               12,000  
Share-based vendor payments 0     0       $ 0 124,280
Shares to be granted pursuant to vendor agreements           12,000      
Contract term           6 months      
First quarter 2025 | Minimum                  
Share-based compensation                  
Grant date fair value (in dollars per share)               $ 6.8  
First quarter 2025 | Maximum                  
Share-based compensation                  
Grant date fair value (in dollars per share)               $ 16.2  
Second Quarter 2025                  
Share-based compensation                  
Share-based vendor payments       0         17,480
Shares to be granted pursuant to vendor agreements         2,300        
Grant date fair value (in dollars per share)         $ 7.6        
Contract term         6 months        
Amendment to Second Quarter 2025                  
Share-based compensation                  
Share-based vendor payments       20,000          
Amendment to Third Quarter 2025                  
Share-based compensation                  
Share-based vendor payments       $ 20,000         $ 20,000
Shares to be granted pursuant to vendor agreements       4,861          
Grant date fair value (in dollars per share)       $ 4.11          
Contract term       6 months          
Amendment to Second Quarter 2026                  
Share-based compensation                  
Share-based vendor payments $ 60,000             $ 160,000  
Shares to be granted pursuant to vendor agreements   83,671              
Contract term   6 months              
Amendment to Second Quarter 2026 | Minimum                  
Share-based compensation                  
Grant date fair value (in dollars per share)   $ 1.42              
Amendment to Second Quarter 2026 | Maximum                  
Share-based compensation                  
Grant date fair value (in dollars per share)   $ 3.43