Supplemental Balance Sheet Disclosures - Inventories and Prepaid expenses and other current assets (Details) - USD ($)	Mar. 31, 2023	Sep. 30, 2022
Inventory Valuation
Raw materials	$ 5,108,433	$ 4,451,045
Work-in-process	745,587	795,723
Finished goods	45,815	102,336
Total inventories	5,899,835	5,349,104
Prepaid expenses and other current assets
Prepaid insurance	829,421	777,311
Other	413,922	365,159
Total prepaid expenses and other current assets	$ 1,243,343	$ 1,142,470

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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