Annual report pursuant to Section 13 and 15(d)

STATEMENTS OF CASH FLOWS

v2.4.1.9
STATEMENTS OF CASH FLOWS (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES      
Net Income $ 163,745,945us-gaap_NetIncomeLoss $ 53,067,036us-gaap_NetIncomeLoss $ 72,284,624us-gaap_NetIncomeLoss
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:      
Depletion, Depreciation, Amortization and Accretion 172,883,554nog_DepletionDepreciationAmortizationAndAccretion 124,383,374nog_DepletionDepreciationAmortizationAndAccretion 98,923,240nog_DepletionDepreciationAmortizationAndAccretion
Amortization of Debt Issuance Costs 2,776,024us-gaap_AmortizationOfFinancingCosts 2,625,240us-gaap_AmortizationOfFinancingCosts 1,527,194us-gaap_AmortizationOfFinancingCosts
Amortization of 8% Senior Notes Premium (1,486,726)us-gaap_AmortizationOfDebtDiscountPremium (960,177)us-gaap_AmortizationOfDebtDiscountPremium 0us-gaap_AmortizationOfDebtDiscountPremium
Loss on the Sale of Other Property & Equipment 0us-gaap_GainLossOnSaleOfPropertyPlantEquipment 473,915us-gaap_GainLossOnSaleOfPropertyPlantEquipment (23,611)us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Deferred Income Taxes 96,107,555us-gaap_DeferredIncomeTaxExpenseBenefit 31,763,000us-gaap_DeferredIncomeTaxExpenseBenefit 42,984,000us-gaap_DeferredIncomeTaxExpenseBenefit
(Gain) Loss on the Mark-to-Market of Derivative Instruments (171,275,719)us-gaap_UnrealizedGainLossOnDerivatives 21,259,018us-gaap_UnrealizedGainLossOnDerivatives (15,147,122)us-gaap_UnrealizedGainLossOnDerivatives
Amortization of Deferred Rent (14,656)us-gaap_OtherAmortizationOfDeferredCharges (19,541)us-gaap_OtherAmortizationOfDeferredCharges (33,230)us-gaap_OtherAmortizationOfDeferredCharges
Share - Based Compensation Expense 2,759,133us-gaap_ShareBasedCompensation 4,798,977us-gaap_ShareBasedCompensation 12,381,757us-gaap_ShareBasedCompensation
Changes in Working Capital and Other Items:      
Trade Receivables 885,262us-gaap_IncreaseDecreaseInAccountsReceivable (16,597,312)us-gaap_IncreaseDecreaseInAccountsReceivable (18,800,839)us-gaap_IncreaseDecreaseInAccountsReceivable
Prepaid Expenses and Other (124,348)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets 28,350us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets 4,792us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Accounts Payable 4,094,145us-gaap_IncreaseDecreaseInAccountsPayable 2,006,516us-gaap_IncreaseDecreaseInAccountsPayable (63,025)us-gaap_IncreaseDecreaseInAccountsPayable
Accrued Interest (106,680)us-gaap_IncreaseDecreaseInInterestPayableNet (245,082)us-gaap_IncreaseDecreaseInInterestPayableNet 2,081,618us-gaap_IncreaseDecreaseInInterestPayableNet
Accrued Expenses 4,014,052us-gaap_IncreaseDecreaseInAccruedLiabilities 191,093us-gaap_IncreaseDecreaseInAccruedLiabilities 2,407,216us-gaap_IncreaseDecreaseInAccruedLiabilities
Net Cash Provided By Operating Activities 274,257,541us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations 222,774,407us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations 198,526,614us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
CASH FLOWS FROM INVESTING ACTIVITIES      
Purchases of Oil and Natural Gas Properties and Development Capital Expenditures (476,870,842)us-gaap_PaymentsToAcquireOilAndGasPropertyAndEquipment (360,058,127)us-gaap_PaymentsToAcquireOilAndGasPropertyAndEquipment (531,954,977)us-gaap_PaymentsToAcquireOilAndGasPropertyAndEquipment
Proceeds from Sale of Oil and Natural Gas Properties 0us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment 908,000us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment 0us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment
Proceeds from Sale of Other Property and Equipment 0us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment 1,003,025us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment 39,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Purchases of Other Property and Equipment (169,003)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (389,317)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (256,445)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Net Cash Used For Investing Activities (477,039,845)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations (358,536,419)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations (532,172,422)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
CASH FLOWS FROM FINANCING ACTIVITIES      
Advances on Revolving Credit Facility 253,000,000nog_AdvancesOnRevolvingCreditFacility 133,000,000nog_AdvancesOnRevolvingCreditFacility 475,600,000nog_AdvancesOnRevolvingCreditFacility
Repayments on Revolving Credit Facility (30,000,000)us-gaap_RepaymentsOfLinesOfCredit (182,000,000)us-gaap_RepaymentsOfLinesOfCredit (421,500,000)us-gaap_RepaymentsOfLinesOfCredit
Issuance of Senior Unsecured Notes 0us-gaap_ProceedsFromUnsecuredNotesPayable 210,500,000us-gaap_ProceedsFromUnsecuredNotesPayable 300,000,000us-gaap_ProceedsFromUnsecuredNotesPayable
Debt Issuance Costs Paid (434,936)us-gaap_PaymentsOfDebtIssuanceCosts (7,072,493)us-gaap_PaymentsOfDebtIssuanceCosts (11,854,023)us-gaap_PaymentsOfDebtIssuanceCosts
Repurchases of Common Stock (16,132,414)us-gaap_PaymentsForRepurchaseOfCommonStock (26,366,327)us-gaap_PaymentsForRepurchaseOfCommonStock (1,546,148)us-gaap_PaymentsForRepurchaseOfCommonStock
Proceeds from Exercise of Stock Options 0us-gaap_ProceedsFromStockOptionsExercised 0us-gaap_ProceedsFromStockOptionsExercised 54,390us-gaap_ProceedsFromStockOptionsExercised
Net Cash Provided by Financing Activities 206,432,650us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations 128,061,180us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations 340,754,219us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS 3,650,346us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (7,700,832)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 7,108,411us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
CASH AND CASH EQUIVALENTS - BEGINNING OF PERIOD 5,687,166us-gaap_CashAndCashEquivalentsAtCarryingValue 13,387,998us-gaap_CashAndCashEquivalentsAtCarryingValue 6,279,587us-gaap_CashAndCashEquivalentsAtCarryingValue
CASH AND CASH EQUIVALENTS - END OF PERIOD 9,337,512us-gaap_CashAndCashEquivalentsAtCarryingValue 5,687,166us-gaap_CashAndCashEquivalentsAtCarryingValue 13,387,998us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental Disclosure of Cash Flow Information      
Cash Paid During the Period for Interest 44,913,994us-gaap_InterestPaid 35,761,112us-gaap_InterestPaid 15,579,140us-gaap_InterestPaid
Cash Paid During the Period for Income Taxes 0us-gaap_IncomeTaxesPaid 13,614us-gaap_IncomeTaxesPaid 8,772us-gaap_IncomeTaxesPaid
Non-Cash Financing and Investing Activities:      
Oil and Natural Gas Properties Included in Accounts Payable 221,278,750nog_OilAndNaturalGasPropertiesIncludedInAccountsPayable 162,884,221nog_OilAndNaturalGasPropertiesIncludedInAccountsPayable 91,776,113nog_OilAndNaturalGasPropertiesIncludedInAccountsPayable
Capitalized Asset Retirement Obligations 952,087nog_CapitalizedAssetRetirementObligations 1,852,580nog_CapitalizedAssetRetirementObligations 539,727nog_CapitalizedAssetRetirementObligations
Non-Cash Compensation Capitalized in Oil and Gas Properties $ 660,615us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount $ 2,143,415us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount $ 6,378,273us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount