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RELATED PARTY TRANSACTIONS (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012
Related Party Transactions 1	$ 0
Related Party Transactions 2	$ 4,500

X

- Definition

Related Party Transactions 2

+ References

No definition available.

+ Details

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Namespace Prefix:	nrds_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Related Party Transactions 1

+ References

No definition available.

+ Details

Name:	nrds_RelatedPartyTransactionsZeroOneThreeOneNineOneSevenFiveTwoNzvfNineEightSixFxThreelk
Namespace Prefix:	nrds_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration