Annual report pursuant to Section 13 and 15(d)

STOCKHOLDER'S EQUITY (Details Narrative)

v2.4.1.9
STOCKHOLDER'S EQUITY (Details Narrative) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Stock options granted to purchase common stock at end of period 280,000nssi_StockOptionsGrantedToPurchaseCommonStockAtEndOfPeriod 400,000nssi_StockOptionsGrantedToPurchaseCommonStockAtEndOfPeriod
Common stock outstanding representing option grants 2,637,503nssi_CommonStockOutstandingRepresentingOptionGrants 3,790,834nssi_CommonStockOutstandingRepresentingOptionGrants
Stock option to purchase common stock to its officers directors and counsultants 280,000nssi_StockOptionPurchaseToItsOfficersDirectorsAndCounsultants 400,000nssi_StockOptionPurchaseToItsOfficersDirectorsAndCounsultants
Fair value of options based on the Black-Scholes option-pricing model $ 208,000nssi_FairValueOptionDisclosuresRelatedToElectionItemsExistingAtEffectiveDateMandatorilyRedeemablePreferredStock1 $ 271,000nssi_FairValueOptionDisclosuresRelatedToElectionItemsExistingAtEffectiveDateMandatorilyRedeemablePreferredStock1
Recognized stock-based compensation 333,000us-gaap_DividendsShareBasedCompensation 390,000us-gaap_DividendsShareBasedCompensation
Unrecognise expense related to unvested options 228,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions  
Stock options to purchase common stock exercised cashless basis 1,592,500us-gaap_ProceedsFromStockOptionsExercised  
Number of shares delivered by the Company's Chief Executive and Executive Vice President to fund with - holding taxes 533,256nssi_NumberOfSharesDeliveredByCompanysChiefExecutiveAndExecutiveVicePresidentToFundWithHoldingTaxes  
Value of shares delivered by the Company's Chief Executive and Executive Vice President 1,013,938nssi_ValueOfSharesDeliveredByCompanysChiefExecutiveAndExecutiveVicePresident  
Cash proceeds to the Company upon exercise of options $ 20,000us-gaap_ProceedsFromLoans  
Duration of warrants issued in connection with the company 5 years  
Minimum [Member]    
Common stock exercise price of options exercised $ 0.25nssi_CommonStockExercisedPriceRanges
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Maximum [Member]    
Common stock exercise price of options exercised $ 0.68nssi_CommonStockExercisedPriceRanges
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= us-gaap_MaximumMember