v3.26.1
Net Loss Per Share - Schedule of Loss and Weighted Average Number of Shares Used in Computing Basic and Diluted Net Loss Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Numerator:          
Net loss $ (3,754) $ (1,709) $ (5,995) $ (3,143) $ (17,054)
Denominator:          
Weighted average number of shares of common stock and pre-funded warrants used in computing net loss per share, basic 4,382,731 345,958 1,122,495 341,708 233,670
Net loss per share, basic $ (0.86) $ (4.94) $ (5.34) $ (9.2) $ (72.98)
Net loss per share, diluted $ (0.86) $ (4.94) $ (5.34) $ (9.2) $ (72.98)