Annual report pursuant to Section 13 and 15(d)

EMPLOYMENT ARRANGEMENTS AND OTHER AGREEMENTS (Details Narrative)

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EMPLOYMENT ARRANGEMENTS AND OTHER AGREEMENTS (Details Narrative) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Employment Arrangements And Other Agreements Details Narrative    
Annual base salary Chairman and CEO $ 415,000us-gaap_SalariesWagesAndOfficersCompensation $ 415,000us-gaap_SalariesWagesAndOfficersCompensation
Incentive Compensation for Chairman and CEO 614,000nssi_IncentiveCompensationForChairmanAndCeo 397,000nssi_IncentiveCompensationForChairmanAndCeo
Target annual bonus or minimum bonus Chairman and CEO 150,000nssi_ProratedTargetBonus 150,000nssi_ProratedTargetBonus
Annual cash bonus for CEO 200,000nssi_AnnualCashBonusForCeo 175,000nssi_AnnualCashBonusForCeo
Annual base salary CFO $ 157,500nssi_AnnualBaseSalaryCfo  
Five year option issued to CFO 50,000nssi_FiveYearOptionIssuedToCfo  
Exercise price of five year option $ 1.65nssi_ExercisePriceOfFiveYearOption