LEASES - Finance lease (Details) - USD ($)	Dec. 31, 2019	Mar. 31, 2019
Net property, plant and equipment	$ 4,347,796	$ 4,860,609
Current portion of long-term debt	1,167,518	822,105
Total long-term debt, net	2,481,948	$ 3,410,542
Obligation under finance lease
Current portion of long-term debt	11,617
Total long-term debt, net	13,662
Total finance lease liabilities	25,279
Assets Held under Capital Leases [Member]
Property, plant and equipment	54,376
Accumulated depreciation	32,626
Net property, plant and equipment	$ 21,750

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount of short-term and long-term debt and lease obligation.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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