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Nature of Operations, Background, and Basis of Presentation - Liquidity and Management's Plans (Details)
$ in Thousands
3 Months Ended
Mar. 24, 2025
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
Dec. 12, 2024
USD ($)
Dec. 31, 2023
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Net loss   $ (2,797) $ (6,345)      
Net Income (Loss)   (2,797) (6,294)      
Accumulated deficit   (79,041)   $ (76,244)    
Net cash used in operating activities   (1,434) (2,609)      
Cash and cash equivalents   298 1,552      
Cash and cash equivalents   2,537 2,291 1,993   $ 2,998
Term loan debt   10,000   $ 7,950    
Proceeds from public offering and private placement transactions, net of transaction costs     $ 1,902      
Reverse stock split ratio 0.1          
New Loan Agreement            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Term loan debt   $ 10,000     $ 10,000