Income Taxes (Details)	6 Months Ended
Jun. 30, 2016
Income Taxes
Statute of limitations for income tax returns	3 years

Represents the limitation period for the income tax returns filed by the entity.

No definition available.

Name:	ewd_IncomeTaxReturnsLimitationPeriod
Namespace Prefix:	ewd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration