Inventories (Details) - USD ($)	Mar. 31, 2020	Mar. 31, 2019
Inventory Disclosure [Abstract]
Raw materials	$ 1,647,667	$ 1,696,353
Work in process		40,143
Finished goods	381,739	234,239
Total	$ 2,029,406	$ 1,970,735

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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 before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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