Quarterly report [Sections 13 or 15(d)]

Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited)

v3.25.3
Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
Total
Common Stock [Member]
Treasury Stock, Common [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Other Comprehensive Loss [Member]
Beginning balance, value at Dec. 31, 2023 $ (11,457,000) $ (502,000) $ 292,467,000 $ (303,004,000) $ (418,000)
Beginning balance, shares at Dec. 31, 2023   3,861,578        
Beginning balance, treasury stock, shares at Dec. 31, 2023     (10,130)      
Release of restricted stock 0
Release of restricted stock, shares   116,381        
Issuance of common stock in lieu of cash bonus and consulting fees 35,000 35
Issuance of common stock in lieu of cash bonus and consulting fees, shares   11,453        
Common stock issued upon conversion of 2022 Promissory Note 4,505,000 4,505,000
Common stock issued upon conversion of 2022 Promissory Note, shares   336,550        
Sales of common stock, net of issuance costs 42,193,000 $ 1,000 42,192
Sales of common stock, net of issuance costs, shares   7,281,187        
Fractional share issuances as a result of reverse stock split 0
Fractional share issuances as a result of reverse stock split, shares   141,631        
Stock-based compensation expense 1,532,000 1,532
Net loss (7,683,000) (7,683,000)
Ending balance, value at Sep. 30, 2024 29,125,000 $ 1,000 $ (502,000) 340,731,000 (310,687,000) (418,000)
Ending balance, shares at Sep. 30, 2024   11,748,780        
Ending balance, treasury stock, shares at Sep. 30, 2024     (10,130)      
Beginning balance, value at Jun. 30, 2024 14,090,000 $ 1,000 $ (502,000) 322,936,000 (307,927,000) (418,000)
Beginning balance, shares at Jun. 30, 2024   8,620,380        
Beginning balance, treasury stock, shares at Jun. 30, 2024     (10,130)      
Release of restricted stock 0
Release of restricted stock, shares   17,264        
Sales of common stock, net of issuance costs 17,553,000 17,553,000
Sales of common stock, net of issuance costs, shares   3,111,136        
Stock-based compensation expense 242,000 242,000
Net loss (2,760,000) (2,760,000)
Ending balance, value at Sep. 30, 2024 29,125,000 $ 1,000 $ (502,000) 340,731,000 (310,687,000) $ (418,000)
Ending balance, shares at Sep. 30, 2024   11,748,780        
Ending balance, treasury stock, shares at Sep. 30, 2024     (10,130)      
Beginning balance, value at Dec. 31, 2024 $ 107,183,000 $ 2,000 $ (502,000) 421,003,000 (313,320,000)  
Beginning balance, shares at Dec. 31, 2024 20,156,535 20,166,665        
Beginning balance, treasury stock, shares at Dec. 31, 2024     (10,130)      
Release of restricted stock  
Release of restricted stock, shares   16,581        
Common stock issued upon conversion of 2022 Promissory Note 0          
Sales of common stock, net of issuance costs 80,000 80,000  
Sales of common stock, net of issuance costs, shares   14,210        
Stock-based compensation expense 338,000 338,000  
Net loss (9,276,000) (9,276,000)  
Ending balance, value at Sep. 30, 2025 $ 98,325,000 $ 2,000 $ (502,000) 421,421,000 (322,596,000)  
Ending balance, shares at Sep. 30, 2025 20,187,326 20,197,456        
Ending balance, treasury stock, shares at Sep. 30, 2025     (10,130)      
Beginning balance, value at Jun. 30, 2025 $ 100,600,000 $ 2,000 $ (502,000) 421,287,000 (320,187,000)  
Beginning balance, shares at Jun. 30, 2025   20,183,043        
Beginning balance, treasury stock, shares at Jun. 30, 2025     (10,130)      
Release of restricted stock  
Release of restricted stock, shares   14,413        
Stock-based compensation expense 134,000 134,000  
Net loss (2,409,000) (2,409,000)  
Ending balance, value at Sep. 30, 2025 $ 98,325,000 $ 2,000 $ (502,000) $ 421,421,000 $ (322,596,000)  
Ending balance, shares at Sep. 30, 2025 20,187,326 20,197,456        
Ending balance, treasury stock, shares at Sep. 30, 2025     (10,130)