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Restricted Net Assets and Statutory Reserves (Details)	6 Months Ended
	Sep. 30, 2017
Restricted Net Assets and Statutory Reserves (Textual)
Statutory reserve percentage	10.00%

X

- References

No definition available.

+ Details

Name:	lyl_RestrictedNetAssetsAndStatutoryReservesTextualAbstract
Namespace Prefix:	lyl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percent reperesent statutory reserve percentage.

+ References

No definition available.

+ Details

Name:	lyl_StatutoryReservePercentage
Namespace Prefix:	lyl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration