Revenue Recognition and Contracts with Customers - Company's total revenue by major product lines (Details)	3 Months Ended	9 Months Ended
Sep. 30, 2023 USD ($) product	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) product	Sep. 30, 2022 USD ($)
Number of major product lines \| product	2		2
Revenue	$ 2,180,007	$ 3,426,823	$ 11,062,203	$ 8,937,633
Products Sales
Revenue	1,371,851	2,537,539	9,988,374	7,939,483
Engineering Services
Revenue	$ 808,156	$ 889,284	$ 1,073,829	$ 998,150

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details