v3.25.2
Balance Sheet Detail - Prepaid expenses and other current assets (Details) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Prepaid expenses and other current assets:    
Research and development $ 793,000 $ 1,514,000
Insurance 49,000 156,000
Other 124,000 178,000
Prepaid expenses and other current assets $ 966,000 $ 1,848,000