v3.26.1
Parent Company Only Condensed Financial Information - Condensed Statements of Cash Flows (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Mar. 31, 2026
CNY (¥)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
CNY (¥)
Mar. 31, 2024
CNY (¥)
Condensed Financial Statements, Captions [Line Items]        
Net cash (used in)/provided by operating activities ¥ (47,417) $ (6,874) ¥ (67,916) ¥ (40,461)
Net cash (used in)/provided by investing activities 99,334 14,400 (207,930) (19,766)
Net cash (used in)/provided by financing activities 8 1 (822) 0
Net (decrease)/increase in cash and cash equivalents and restricted cash 51,606 7,481 (276,766) (57,713)
Cash and cash equivalents at beginning of year 82,021      
Cash and cash equivalents at end of year 133,627 19,372 82,021  
Parent Company        
Condensed Financial Statements, Captions [Line Items]        
Net cash (used in)/provided by operating activities 519 75 (4,107) (10,577)
Net cash (used in)/provided by investing activities 11,357 1,647 4,008 (2,216)
Net cash (used in)/provided by financing activities 8 1 (822) 0
Net (decrease)/increase in cash and cash equivalents and restricted cash 11,884 1,723 (921) (12,793)
Cash and cash equivalents at beginning of year 954 138 1,875 14,668
Cash and cash equivalents at end of year ¥ 12,838 $ 1,861 ¥ 954 ¥ 1,875