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Inventory, net (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Parts	$ 28,961	$ 45,509
Finished goods	51,849	67,549
Total	80,810	113,058
Less inventory reserve	(69,233)	(70,562)
Inventory, net	$ 11,577	$ 42,496

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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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods.

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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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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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