Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows

v2.4.1.9
Consolidated Statements of Cash Flows (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net Income $ 1,766,000us-gaap_NetIncomeLoss $ 1,016,000us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:    
Amortization of Patents 1,650,000us-gaap_DepreciationAndAmortization 1,008,000us-gaap_DepreciationAndAmortization
Stock based compensation 333,000us-gaap_ShareBasedCompensation 390,000us-gaap_ShareBasedCompensation
Deferred tax provision 916,000nssi_DeferredTaxProvision 535,000nssi_DeferredTaxProvision
Non-cash royalty revenue    (70,000)nssi_NoncashRoyaltyRevenue
Loss on sale of marketable securities 51,000us-gaap_MarketableSecuritiesGainLoss   
Source (use) of cash from changes in operating assets and liabilities:    
Royalty receivables (435,000)us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets (39,000)us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets
Other assets 34,000us-gaap_IncreaseDecreaseInOtherCurrentAssets (54,000)us-gaap_IncreaseDecreaseInOtherCurrentAssets
Accounts payable 202,000us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities (61,000)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Accrued expense 1,245,000us-gaap_IncreaseDecreaseInAccruedTaxesPayable   
NET CASH PROVIDED BY OPERATING ACTIVITIES 5,762,000us-gaap_NetCashProvidedByUsedInOperatingActivities 2,725,000us-gaap_NetCashProvidedByUsedInOperatingActivities
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of marketable securities (1,096,000)us-gaap_PaymentsToAcquireMarketableSecurities   
Proceeds from sale of marketable securities 510,000us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities   
Purchase of patents (96,000)us-gaap_PaymentsToAcquireIntangibleAssets (4,463,000)us-gaap_PaymentsToAcquireIntangibleAssets
Acquisition of Investments, at cost (380,000)us-gaap_PaymentsForProceedsFromInvestments (126,000)us-gaap_PaymentsForProceedsFromInvestments
NET CASH USED IN INVESTING ACTIVITIES (1,062,000)us-gaap_NetCashProvidedByUsedInInvestingActivities (4,589,000)us-gaap_NetCashProvidedByUsedInInvestingActivities
CASH FLOWS FROM FINANCING ACTIVITIES:    
Value of shares delivered to fund withholding taxes on exercise of options (1,014,000)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation (781,000)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
Repurchase of common stock (4,477,000)us-gaap_PaymentsForRepurchaseOfEquity (1,497,000)us-gaap_PaymentsForRepurchaseOfEquity
Repurchase of Warrants (505,000)us-gaap_PaymentsForRepurchaseOfCommonStock   
Proceeds from exercises of options and warrants 20,000us-gaap_ProceedsFromIssuanceOrSaleOfEquity 1,097,000us-gaap_ProceedsFromIssuanceOrSaleOfEquity
NET CASH USED IN FINANCING ACTIVITIES (5,976,000)us-gaap_NetCashProvidedByUsedInFinancingActivities (1,181,000)us-gaap_NetCashProvidedByUsedInFinancingActivities
NET DECREASE IN CASH AND CASH EQUIVALENTS (1,276,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (3,045,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
CASH AND CASH EQUIVALENTS, beginning of year 18,938,000us-gaap_CashAndCashEquivalentsAtCarryingValue 21,983,000us-gaap_CashAndCashEquivalentsAtCarryingValue
CASH AND CASH EQUIVALENTS, end of year 17,662,000us-gaap_CashAndCashEquivalentsAtCarryingValue 18,938,000us-gaap_CashAndCashEquivalentsAtCarryingValue
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:    
Cash paid during the periods for Interest      
Cash paid during the periods for Taxes 31,000us-gaap_IncomeTaxesPaidNet 352,000us-gaap_IncomeTaxesPaidNet
NON-CASH INVESTING AND FINANCING ACTIVITIES    
Value of shares and warrants issued to purchase patents    $ 1,616,000us-gaap_FairValueOfAssetsAcquired