Stock-Based Compensation - Expense (Details) - USD ($)	3 Months Ended	9 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Stock-Based Compensation
Stock-based compensation expense	$ 791,671	$ 1,670,812	$ 2,430,304	$ 7,046,897
Research and development
Stock-Based Compensation
Stock-based compensation expense	63,266	91,636	254,202	289,889
General and administrative
Stock-Based Compensation
Stock-based compensation expense	$ 728,405	$ 1,579,176	$ 2,176,102	$ 6,757,008

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details