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Deferred Costs (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Schedule of Inventory [Line Items]    
Deferred costs $ 3,621,351us-gaap_DeferredCostsCurrent $ 2,566,989us-gaap_DeferredCostsCurrent
Multiple Stage Contracts [Member]    
Schedule of Inventory [Line Items]    
Deferred Revenue $ 5,100,000us-gaap_DeferredRevenue
/ us-gaap_DeferredRevenueArrangementTypeAxis
= nbs_MultipleStageContractsMember
$ 3,900,000us-gaap_DeferredRevenue
/ us-gaap_DeferredRevenueArrangementTypeAxis
= nbs_MultipleStageContractsMember