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Inventories (Details) - USD ($)	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Inventory Disclosure [Abstract]
Raw materials and sub-assemblies		$ 5,774,323	$ 5,757,869
Finished goods		320,193	277,598
Inventory reserves		(880,943)	(880,943)
Inventory, net	$ 5,154,524	$ 5,213,573	$ 5,154,524

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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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