XML 104 R74.htm IDEA: XBRL DOCUMENT v3.24.3
Income taxes - Schedule of effective income tax rate reconciliation (Details)
12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2022
Income Tax Disclosure [Abstract]      
Tax expense computed at the federal statutory rate 21.00% 21.00% 21.00%
Change in valuation allowance (22.00%) (25.00%) (13.00%)
Research and development credit benefit 3.00% 5.00% 4.00%
Business combination 0.00% 0.00% (4.00%)
Stock-based compensation (1.00%) (1.00%) (1.00%)
Change in fair value of contingent consideration and holdbacks 0.00% 1.00% (1.00%)
Gain on deconsolidation of variable interest entity 0.00% 0.00% (1.00%)
Others (1.00%) (2.00%) 0.00%
Total income tax expense 0.00% (1.00%) 5.00%