Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENCIES - Patent Acquisitions (Details Narrative)

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COMMITMENTS AND CONTINGENCIES - Patent Acquisitions (Details Narrative) (USD $)
Jun. 03, 2014
Jul. 31, 2013
May 21, 2013
Feb. 28, 2013
Exercise price of five year option        
Acquisition of Cox patents cash, purchase price       $ 1,000,000nssi_AcquisitionOfFourPatentsPurchasePrice
Acquisition of Cox patents, common stock issued       403,226nssi_AcquisitionOfFourPatentsCommonStockIssued
Obligated to pay Cox, net proceeds percentage       12.50%nssi_ObligatedToPaySellerNetProceedPercentage
Capitalized professional fees and filing fees related to Cox Patent Portfolio       169,000nssi_CapitalizedProfessionalFeesAndFilingFeesRelatedToPatentPortfolio
Cash consideration for Mirror Worlds patent acquisition     3,000,000nssi_ConsiderationPatentAcquisition  
Cost of repurchase of Mirror Worlds warrants 505,000nssi_CostOfRepurchaseOfMirrorWorldsWarrants      
Issued 5-year warrants (Looking Glass) to purchase shares of common stock     1,750,000nssi_IssuedFiveYearWarrantsToPurchaseAggregate  
5-year warrants (Looking Glass) to purchase 875,000 shares, exercise price per share     1.40nssi_YearWarrantsLookingGlassToPurchase875000SharesExercisePricePerShare  
5-year warrants (Looking Glass) to purchase 875,000 shares, exercise price per share     2.10nssi_YearWarrantsLookingGlassToPurchase875000SharesExercisePricePerShare1  
Issued 5-year warrants (Recognition) to purchase 250,000 shares, exercise price per share     1.40nssi_Issued5YearWarrantsRecognitionToPurchase250000SharesExercisePricePerShare  
Issued 5-year warrants (Recognition) to purchase 250,000 shares, exercise price per share     2.10nssi_Issued5YearWarrantsRecognitionToPurchase250000SharesExercisePricePerShare1  
60 day warrants (Abacus) to purchase shares of common stock     500,000nssi_FiveYearWarrantsPurchase  
60-day warrants (Abacus), exercise price per shares     $ 2.05nssi_CommonStockExercisePricePerShares  
Issued additional 5-year warrants (Recognition) to purchase shares of common stock as a result of exercise of 60-day warrant   250,000nssi_AdditionalFiveYearWarrantsToPurchaseSharesOfCommonStockAsResultOfExerciseOfSixtyDayWarrant    
Additional 5-year warrants to purchase 125,000 shares of common stock as a result of exercise of 60-day warrant, exercise price per share   2.10nssi_Additional5YearWarrantsToPurchase125000SharesOfCommonStockAsResultOfExerciseOf60DayWarrantExercisePricePerShare    
Additional 5-year warrants to purchase 125,000 shares of common stock as a result of exercise of 60-day warrant, exercise price per share   1.40nssi_Additional5YearWarrantsToPurchase125000SharesOfCommonStockAsResultOfExerciseOf60DayWarrantExercisePricePerShare1    
Capitalized professional fees and filing fees related to Mirror Worlds patents     $ 409,000us-gaap_AccruedProfessionalFeesCurrent  
Net proceeds percentage payable to Recognition from the monetization of the Mirror Worlds patent portfolio        
First $125 Million     10.00%nssi_First125Million  
Next $125 Million     15.00%nssi_Next125Million  
Over $250 Million     20.00%nssi_Over250Million