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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, 2022   18,957,366    
Beginning balance at Dec. 31, 2022 $ 17,667 $ 19 $ 149,233 $ (131,585)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock-based compensation 642   642  
Issuance of shares for vested restricted stock grants (in shares)   258,497    
Net loss (1,387)     (1,387)
Ending balance (in shares) at Mar. 31, 2023   19,215,863    
Ending balance at Mar. 31, 2023 16,922 $ 19 149,875 (132,972)
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)