v3.25.2
Condensed Financial Information of Deswell Industries, Inc. - Schedule of Condensed Cash Flow Statement (Details) - Parent Company [Member] - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Cash flows from operating activities      
Net income $ 11,138 $ 7,709 $ 2,059
Adjustments to reconcile net income to net cash provided by operating activities:      
Equity in earnings of subsidiaries (11,854) (8,229) (2,488)
Changes in operating assets and liabilities:      
Prepaid expenses and other current assets (3) (2)
Amounts due from subsidiaries 960 252 4,305
Other accrued liabilities (233) (444) 3
Net cash provided by operating activities 8 (714) 3,879
Cash flows from investing activities      
Dividends received from subsidiary 3,188 3,188
Net cash (used in) generated by investing activities 3,188 3,188
Cash flows from financing activities      
Dividends paid (3,188) (3,188) (3,188)
Net cash used in financing activities (3,188) (3,188) (3,188)
Net increase (decrease) in cash and cash equivalents 8 (714) 691
Cash and cash equivalents, beginning of year 204 918 227
Cash and cash equivalents, end of year $ 212 $ 204 $ 918