COMMITMENTS AND CONTINGENCIES - Patent Acquisition (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				$ 1,000,000
Acquisition of Cox patents, common stock issued				403,226
Obligated to pay Cox, net proceeds percentage				12.50%
Cash consideration for Mirror Worlds patent acquisition			3,000,000nssi_ConsiderationPatentAcquisition
Cost of repurchase of Mirror Worlds warrants	505,000
Issued 5-year warrants to purchase shares of common stock			2,250,000
60 days Warrants to purchase shares of common stock			500,000nssi_FiveYearWarrantsPurchase
Additional 5-year warrants to purchase shares of common stock as a result of exercise of 60-day warrant		250,000
Capitalized professional fees and filing fees related to Mirror Worlds patents			$ 409,000us-gaap_AccruedProfessionalFeesCurrent
Net proceeds percentage payable to third party 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