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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net Income | $ 880,017 us-gaap_NetIncomeLoss | $ 787,376 us-gaap_NetIncomeLoss
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities: |  |
Depreciation | 2,024,860 us-gaap_Depreciation | 2,004,940 us-gaap_Depreciation
Amortization | 5,292 us-gaap_AdjustmentForAmortization | 5,291 us-gaap_AdjustmentForAmortization
Compensation on Stock-Based Awards | 29,927 us-gaap_ShareBasedCompensation | 12,841 us-gaap_ShareBasedCompensation
Compensation on Equity Appreciation Rights | 178,566 nsys_EquityAppreciationRights |
Impairment on Assets Held for Sale |  | 74,003 us-gaap_AssetImpairmentCharges
Deferred Taxes | 114,000 us-gaap_DeferredIncomeTaxExpenseBenefit | 229,000 us-gaap_DeferredIncomeTaxExpenseBenefit
(Gain) Loss on Disposal of Property and Equipment | 2,331 us-gaap_GainLossOnSaleOfPropertyPlantEquipment | (1,357)us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Changes in Current Operating Items: |  |
Accounts Receivable | (1,336,820)us-gaap_IncreaseDecreaseInAccountsReceivable | (2,422,915)us-gaap_IncreaseDecreaseInAccountsReceivable
Inventories | (1,100,948)us-gaap_IncreaseDecreaseInInventories | 237,392 us-gaap_IncreaseDecreaseInInventories
Prepaid Expenses | (182,425)us-gaap_IncreaseDecreaseInPrepaidExpense | (72,774)us-gaap_IncreaseDecreaseInPrepaidExpense
Income Taxes Receivable | (325,062)us-gaap_IncreaseDecreaseInIncomeTaxesReceivable | (140,174)us-gaap_IncreaseDecreaseInIncomeTaxesReceivable
Income Taxes Payable |  | (60,878)us-gaap_IncreaseDecreaseInIncomeTaxes
Accounts Payable | 1,121,716 us-gaap_IncreaseDecreaseInAccountsPayable | (1,137,447)us-gaap_IncreaseDecreaseInAccountsPayable
Accrued Payroll and Commissions | 301,164 us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities | 629,736 us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities
Other Accrued Liabilities | (131,788)us-gaap_IncreaseDecreaseInOtherAccruedLiabilities | 130,905 us-gaap_IncreaseDecreaseInOtherAccruedLiabilities
Net Cash Provided by Operating Activities | 1,580,830 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 275,939 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Proceeds from Sale of Property and Equipment | 250 us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment | 57,160 us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Purchases of Property and Equipment | (2,187,161)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (1,204,681)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Net Cash Used in Investing Activities | (2,186,911)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (1,147,521)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Net Proceeds from (Repayments on) Line of Credit | 763,201 us-gaap_ProceedsFromRepaymentsOfLinesOfCredit | (688,504)us-gaap_ProceedsFromRepaymentsOfLinesOfCredit
Proceeds from Long-Term Debt | 593,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt | 2,174,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt
Principal Payments on Long-Term Debt | (666,749)us-gaap_RepaymentsOfLongTermDebt | (613,914)us-gaap_RepaymentsOfLongTermDebt
Excess tax benefits from stock-based awards | (17,000)us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities |
Net Cash Provided by (Used in) Financing Activities | 672,452 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 871,582 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
NET CHANGE IN CASH | 66,371 us-gaap_NetCashProvidedByUsedInContinuingOperations |
Cash - Beginning of Year | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue
CASH-END OF YEAR | 66,371 us-gaap_CashAndCashEquivalentsAtCarryingValue | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental Disclosure of Cash Flow Information: |  |
Cash Paid During the Period for Interest | 359,727 us-gaap_InterestPaidNet | 366,335 us-gaap_InterestPaidNet
Cash Paid During the Period for Income Taxes | 417,615 us-gaap_IncomeTaxesPaidNet | 187,300 us-gaap_IncomeTaxesPaidNet
Supplemental Noncash Investing and Financing Activities: |  |
Capital Expenditures in Accounts Payable | $ 19,604 us-gaap_CapitalExpendituresIncurredButNotYetPaid | $ 317,906 us-gaap_CapitalExpendituresIncurredButNotYetPaid

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