XML 118 R104.htm IDEA: XBRL DOCUMENT v3.22.1
Stock-based compensation - Weighted Average Assumptions of Stock Options Granted (Details) - year
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Disclosure Of Share Based Payment Arrangements [Abstract]    
Expected volatility 47.25% 45.55%
Risk-free interest rate 1.04% 0.38%
Expected option life 4.07 4.27
Expected dividend yield 0.00% 0.00%
Forfeiture rate 27.07% 28.51%