PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($)	Mar. 31, 2020	Mar. 31, 2019
Property, Plant and Equipment, Net
Total property, plant and equipment	$ 13,692,767	$ 13,652,936
Less: accumulated depreciation	(9,509,906)	(8,792,327)
Net property, plant and equipment	4,182,861	4,860,609
Land
Property, Plant and Equipment, Net
Total property, plant and equipment	110,113	110,113
Building and improvements
Property, Plant and Equipment, Net
Total property, plant and equipment	3,249,577	3,249,577
Machinery equipment, furniture and fixtures
Property, Plant and Equipment, Net
Total property, plant and equipment	10,278,701	10,238,870
Equipment under finance leases
Property, Plant and Equipment, Net
Total property, plant and equipment	$ 54,376	$ 54,376