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Inventories (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Inventory Disclosure [Abstract]
Raw materials and sub-assemblies	$ 5,444,577	$ 5,404,171
Finished goods	317,616	533,272
Inventory reserves	(1,080,943)	(995,943)
Inventory, net	$ 4,681,250	$ 4,941,500

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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