Summary of Significant Accounting Policies - Schedule of Changes in Consolidated Balance Sheet and Cash Flow Statement for Adoption of New Accounting Standards (Details) - USD ($)	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Inventories, net	$ 6,024,311	$ 8,536,934
Reserve for sales returns	896,154	726,000	$ 600,000
Warranty provisions
Inventories	2,538,623	(2,314,288)
Reserve for sales returns	$ 170,154	126,000
Warranty provisions
Previously Reported [Member]
Inventories, net		8,057,774
Reserve for sales returns
Warranty provisions		246,840
Inventories		(2,211,428)
Reserve for sales returns
Warranty provisions		23,140
Restatement Adjustment [Member]
Inventories, net		479,160
Reserve for sales returns		726,000
Warranty provisions		(246,840)
Inventories		(102,860)
Reserve for sales returns		126,000
Warranty provisions		$ (23,140)

Increase decrease in reserve for sales returns.

No definition available.

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- Definition

Reserve for sales returns.

+ References

No definition available.

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- Definition

The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
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- Definition

Amount of increase (decrease) in current liabilities classified as other.

+ References

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-Publisher FASB
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-Topic 230
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- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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