Summary of Significant Accounting Policies - Schedule of Changes in Consolidated Balance Sheet and Cash Flow Statement for Adoption of New Accounting Standards (Details) - USD ($)	9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Mar. 31, 2018	Mar. 31, 2017	[1]
Inventories, net	$ 6,118,569		$ 8,536,934
Reserve for sales returns	2,050,486	$ 3,587,357	726,000	$ 600,000
Warranty provisions
Inventories	2,475,145	(3,599,858)
Reserve for sales returns	$ 1,324,486	2,987,357
Warranty provisions
Previously Reported [Member]
Inventories, net			8,057,774
Reserve for sales returns
Warranty provisions			246,840
Inventories		(1,758,501)
Reserve for sales returns
Warranty provisions		1,146,000
Restatement Adjustment [Member]
Inventories, net			479,160
Reserve for sales returns			726,000
Warranty provisions			$ (246,840)
Inventories		(1,841,357)
Reserve for sales returns		2,987,357
Warranty provisions		$ (1,146,000)

[1] The reserve for sales returns at the beginning of the period ended December 30,2017 has been adjusted to reflect the full retrospective adoption of ASC 606 effective April 1, 2018.