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Financing (Details 8) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Debt Conversion [Line Items]    
Gain (losses) on derivative liability - warrants $ 618us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet $ 3,067us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Series D Convertible Preferred Stock [Member]    
Debt Conversion [Line Items]    
Gain (losses) on derivative liability - warrants 12us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ us-gaap_StatementClassOfStockAxis
= neom_SeriesDConvertiblePreferredStockMember		 58us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ us-gaap_StatementClassOfStockAxis
= neom_SeriesDConvertiblePreferredStockMember
Warrants With Debenture Attached Series 2007 [Member]    
Debt Conversion [Line Items]    
Gain (losses) on derivative liability - warrants 0us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ neom_CompoundedWarrantsAxis
= neom_WarrantsWithDebentureAttachedSeries2007Member		 0us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ neom_CompoundedWarrantsAxis
= neom_WarrantsWithDebentureAttachedSeries2007Member
Warrants With Debenture Attached Series 2008 [Member]    
Debt Conversion [Line Items]    
Gain (losses) on derivative liability - warrants 276us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ neom_CompoundedWarrantsAxis
= neom_WarrantsWithDebentureAttachedSeries2008Member		 1,370us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ neom_CompoundedWarrantsAxis
= neom_WarrantsWithDebentureAttachedSeries2008Member
Warrants With Debenture Attached Series 2010 [Member]    
Debt Conversion [Line Items]    
Gain (losses) on derivative liability - warrants 212us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ neom_CompoundedWarrantsAxis
= neom_WarrantsWithDebentureAttachedSeries2010Member		 1,051us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ neom_CompoundedWarrantsAxis
= neom_WarrantsWithDebentureAttachedSeries2010Member
Warrants With Debenture Attached Series 2011 [Member]    
Debt Conversion [Line Items]    
Gain (losses) on derivative liability - warrants 75us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ neom_CompoundedWarrantsAxis
= neom_WarrantsWithDebentureAttachedSeries2011Member		 374us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ neom_CompoundedWarrantsAxis
= neom_WarrantsWithDebentureAttachedSeries2011Member
Warrants With Debenture Attached Series 2012 [Member]    
Debt Conversion [Line Items]    
Gain (losses) on derivative liability - warrants $ 43us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ neom_CompoundedWarrantsAxis
= neom_WarrantsWithDebentureAttachedSeries2012Member		 $ 214us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ neom_CompoundedWarrantsAxis
= neom_WarrantsWithDebentureAttachedSeries2012Member