Litigation Summary (Details) (Hamilton and Taylor v. Vitamin World, Inc)	1 Months Ended
Jul. 31, 2010 lawsuit
Hamilton and Taylor v. Vitamin World, Inc
Employment Class Actions
Number of lawsuits filed against subsidiary	1

Represents the number of lawsuits filed against subsidiary.

No definition available.

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Namespace Prefix:	nty_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration