v3.25.2
Summary of Significant Accounting Policies - Schedule of Basic Net Income Per Share and Diluted Net Income Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Schedule of Basic Net Income Per Share and Diluted Net Income Per Share [Abstract]      
Net income attributable to Deswell Industries, Inc. (in Dollars) $ 11,138 $ 7,709 $ 2,059
Basic weighted average common shares outstanding 15,935 15,935 15,935
Effect of dilutive securities – Options 18 64 137
Diluted weighted average common and potential common shares outstanding 15,953 15,999 16,072
Diluted net income per share (in Dollars per share) $ 0.7 $ 0.48 $ 0.13
Basic net income per share (in Dollars per share) $ 0.7 $ 0.48 $ 0.13