Supplemental Balance Sheet Disclosures - Inventories and Prepaid expenses and other current assets (Details) - USD ($)	Mar. 31, 2024	Sep. 30, 2023
Inventory Valuation
Raw materials	$ 7,611,331	$ 5,162,177
Work-in-process	1,443,189	966,888
Finished goods	66,350	10,648
Total inventories	9,120,870	6,139,713
Prepaid expenses and other current assets
Prepaid insurance	386,743	623,186
Other	325,029	449,826
Total prepaid expenses and other current assets	$ 711,772	$ 1,073,012