Inventories (Tables)

12 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventorie

	As of March 31,
	2019		2018
Raw materials	$	1,696,353	$	1,942,366
Work in process		40,143		73,642
Finished goods		234,239		253,174
Total	$	1,970,735	$	2,269,182