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Fair Value Measurements (Details) (contingent cosideration [Member])	3 Months Ended
	Dec. 31, 2012
contingent cosideration [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value Inputs Discount Rate	30.00%

X

- Definition

Fair Value Inputs Discount Rate

+ References

No definition available.

+ Details

Name:	nbs_FairValueInputsDiscountRate
Namespace Prefix:	nbs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration