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 6 Months Ended 12 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Numerator:                  
Net loss $ (4,502) $ (3,754) $ (1,891) $ (1,709) $ (8,256) $ (3,600) $ (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 6,789,165   347,000   5,592,596 346,482 1,122,495 341,708 233,670
Weighted average number of shares of common stock and pre-funded warrants used in computing net loss per share, diluted 6,789,165   347,000   5,592,596 346,482 1,122,495 341,708 233,670
Net loss per share, basic $ (0.66)   $ (5.45)   $ (1.48) $ (10.39) $ (5.34) $ (9.2) $ (72.98)
Net loss per share, diluted $ (0.66)   $ (5.45)   $ (1.48) $ (10.39) $ (5.34) $ (9.2) $ (72.98)