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v2.4.1.9

INCOME TAXES (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2011
Components of income tax expense |  |  |
Current taxes - Federal | $ (106,000)us-gaap_CurrentFederalTaxExpenseBenefit | $ 72,000 us-gaap_CurrentFederalTaxExpenseBenefit |
Current taxes - State | 39,000 us-gaap_CurrentStateAndLocalTaxExpenseBenefit | (21,000)us-gaap_CurrentStateAndLocalTaxExpenseBenefit |
Current taxes - Foreign | 51,000 us-gaap_CurrentForeignTaxExpenseBenefit | 20,000 us-gaap_CurrentForeignTaxExpenseBenefit |
Deferred taxes - Federal | 137,000 us-gaap_DeferredFederalIncomeTaxExpenseBenefit | 194,000 us-gaap_DeferredFederalIncomeTaxExpenseBenefit |
Deferred taxes - State | (40,000)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | 35,000 us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit |
Income tax expense | 81,000 us-gaap_IncomeTaxExpenseBenefit | 300,000 us-gaap_IncomeTaxExpenseBenefit |
Reconciliation of federal income taxes and reported income taxes |  |  |
Statutory federal tax provision | 327,000 us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | 370,000 us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate |
State income taxes | 45,000 us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | 45,000 us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes |
Effect of foreign operations | (9,000)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential | (3,000)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential |
Uncertain tax positions | (88,000)us-gaap_IncomeTaxReconciliationTaxContingenciesOther | 41,000 us-gaap_IncomeTaxReconciliationTaxContingenciesOther |
Income tax credits | (215,000)us-gaap_IncomeTaxReconciliationTaxCredits | (167,000)us-gaap_IncomeTaxReconciliationTaxCredits |
Permanent differences | 21,000 us-gaap_IncomeTaxReconciliationNondeductibleExpense | 14,000 us-gaap_IncomeTaxReconciliationNondeductibleExpense |
Income tax expense | 81,000 us-gaap_IncomeTaxExpenseBenefit | 300,000 us-gaap_IncomeTaxExpenseBenefit |
Income from operations before income taxes |  |  |
Domestic | 816,840 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic | 1,074,572 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic |
Foreign | 144,177 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign | 12,804 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign |
Income Before Income Taxes | 961,017 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 1,087,376 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |
Components of deferred tax assets (liabilities) |  |  |
Allowance for uncollectable accounts | 50,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts | 51,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts |
Inventories reserve | 267,000 us-gaap_DeferredTaxAssetsInventory | 404,000 us-gaap_DeferredTaxAssetsInventory |
Accrued vacation | 334,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences | 386,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences |
Non-compete amortization | 222,000 nsys_DeferredTaxAssetsNonCompeteAmortization | 281,000 nsys_DeferredTaxAssetsNonCompeteAmortization |
Stock-based compensation and equity appreciation rights | 148,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 100,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost |
State Tax NOL carryforwards | 95,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal | 117,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal |
Other | 167,000 us-gaap_DeferredTaxAssetsOther | 144,000 us-gaap_DeferredTaxAssetsOther |
Deferred tax assets | 1,283,000 us-gaap_DeferredTaxAssetsGross | 1,483,000 us-gaap_DeferredTaxAssetsGross |
Prepaid expenses | (292,000)us-gaap_DeferredTaxLiabilitiesPrepaidExpenses | (246,000)us-gaap_DeferredTaxLiabilitiesPrepaidExpenses |
Property and equipment | (704,000)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment | (836,000)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment |
Deferred tax liabilities | (996,000)us-gaap_DeferredIncomeTaxLiabilities | (1,082,000)us-gaap_DeferredIncomeTaxLiabilities |
Net deferred tax assets | 287,000 us-gaap_DeferredTaxAssetsLiabilitiesNet | 401,000 us-gaap_DeferredTaxAssetsLiabilitiesNet |
Net current deferred tax assets | 436,000 us-gaap_DeferredTaxAssetsNetCurrent | 683,000 us-gaap_DeferredTaxAssetsNetCurrent |
Net non-current deferred tax liabilities | (149,000)us-gaap_DeferredTaxLiabilitiesNoncurrent | (282,000)us-gaap_DeferredTaxLiabilitiesNoncurrent |
Changes in total gross unrecognized tax benefit liabilities, excluding accrued interest |  |  |
Balance at the beginning of the period | 193,000 us-gaap_UnrecognizedTaxBenefits |  | 140,000 us-gaap_UnrecognizedTaxBenefits
Additions | 23,000 us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions | 53,000 us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions |
Reductions | 0 us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions | 0 us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions |
Balance at the end of the period | $ 56,000 us-gaap_UnrecognizedTaxBenefits | $ 193,000 us-gaap_UnrecognizedTaxBenefits | $ 140,000 us-gaap_UnrecognizedTaxBenefits

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