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CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2023   19,354,335    
Beginning balance at Dec. 31, 2023 $ 17,276 $ 19 $ 150,822 $ (133,565)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock-based compensation 344   344  
Issuance of shares for vested restricted stock grants (in shares)   50,226    
Net loss (442)     (442)
Ending balance (in shares) at Mar. 31, 2024   19,404,561    
Ending balance at Mar. 31, 2024 17,178 $ 19 151,166 (134,007)
Beginning balance (in shares) at Dec. 31, 2024   19,782,311    
Beginning balance at Dec. 31, 2024 17,747 $ 19 152,211 (134,483)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock-based compensation 179   179  
Issuance of shares for vested restricted stock grants (in shares)   33,732    
Net loss (318)     (318)
Ending balance (in shares) at Mar. 31, 2025   19,816,043    
Ending balance at Mar. 31, 2025 $ 17,608 $ 19 $ 152,390 $ (134,801)