v3.26.1
Balance Sheet Detail - Prepaid expenses and other current assets (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Prepaid expenses and other current assets:    
Research and development $ 427,000 $ 42,000
Insurance 33,000 234,000
Other 93,000 89,000
Prepaid expenses and other current assets $ 553,000 $ 365,000