Cover [Abstract] Document Type Document Type Document Annual Report Document Annual Report Document Period End Date Document Period End Date Current Fiscal Year End Date Current Fiscal Year End Date Document Transition Report Document Transition Report Entity File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Entity Shell Company Entity Shell Company Entity Public Float Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Documents Incorporated by Reference Entity Central Index Key Entity Central Index Key Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Auditor Name Auditor Firm ID Auditor Location CONSOLIDATED BALANCE SHEETS Assets [Abstract] Assets Assets, Current [Abstract] Current assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Accounts Receivable, after Allowance for Credit Loss, Current Receivables from crude oil, natural gas, and natural gas liquids revenues Derivative Asset, Current Derivative contract assets Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Total prepaid expenses and other current assets Assets, Current Total current assets Property, Plant and Equipment, Net [Abstract] Property and equipment, net of depletion, depreciation, accretion, and impairment Oil and Gas Property, Full Cost Method, Net Oil and natural gas properties, net-full-cost method of accounting, of which none were excluded from amortization Oil and natural gas properties, net Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Liabilities, Current [Abstract] Current liabilities Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued liabilities and other Total Accrued liabilities and other Derivative Liability, Current Derivative contract liabilities Taxes Payable, Current State and federal taxes payable Liabilities, Current Total current liabilities Long-term Debt, Excluding Current Maturities [Abstract] Long term liabilities Long-term Line of Credit, Noncurrent Senior secured credit facility Deferred Income Tax Liabilities, Net Deferred income taxes Asset Retirement Obligations, Noncurrent Asset retirement obligations Long-term portion of asset retirement obligations Operating Lease, Liability, Noncurrent Operating lease liability - long-term Operating lease liability Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (Note 10) Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity Common Stock, Value, Issued Common stock; par value $0.001; 100,000,000 shares authorized: issued and outstanding 33,247,523 and 33,470,710 shares as of June 30, 2023 and 2022, respectively Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Retained earnings Stockholders' Equity Attributable to Parent Balance Balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized (in shares) Common Stock, Shares, Issued Common stock, issued shares (in shares) Common Stock, Shares, Outstanding Common stock, outstanding shares (in shares) Common stock, outstanding shares (in shares) CONSOLIDATED STATEMENTS OF OPERATIONS Statement [Table] Product and Service [Axis] Product and Service [Domain] Crude Oil [Member] Crude oil Natural Gas Liquids [Member] Natural gas liquids Natural Gas [Member] Natural gas Statement [Line Items] Revenues [Abstract] Revenues Revenue from Contract with Customer, Excluding Assessed Tax Total revenues Total revenues Operating Expenses [Abstract] Operating costs Cost of Goods and Services Sold Lease operating costs Depreciation, Depletion and Amortization Depletion, depreciation, and accretion General and Administrative Expense General and administrative expenses Operating Expenses Total operating costs Operating Income (Loss) Income (loss) from operations Nonoperating Income (Expense) [Abstract] Other income and expenses Net (loss) gain on derivative contracts Net gain (loss) on derivative contracts Total net gain (loss) on derivative contracts Investment Income, Interest and Other Investment Income, Interest and Other Interest and other income Interest Expense Interest expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income (loss) before income taxes Income Tax Expense (Benefit) Income tax (expense) benefit Income tax (expense) benefit Income tax expense (benefit) Net Income (Loss) Attributable to Parent Net income (loss) Net income (loss) Earnings (Loss) per Common Share Earnings (loss) per common share: Earnings Per Share, Basic Basic (in dollars per share) Net earnings (loss) per common share - Basic (in dollars per share) Earnings Per Share, Diluted Diluted (in dollars per share) Net earnings (loss) per common share - Diluted (in dollars per share) Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Weighted average number of common shares outstanding Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Weighted average number of common shares outstanding - Basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted average number of common shares and dilutive potential common shares used in diluted earnings per share (in shares) Diluted (in shares) CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income (loss) Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to net cash provided by operating activities: Share-based Payment Arrangement, Noncash Expense Stock-based compensation Asset Retirement Obligation, Cash Paid to Settle Settlement of asset retirement obligations Deferred Income Tax Expense (Benefit) Total deferred income tax (expense) benefit Deferred income taxes Unrealized Gain (Loss) on Derivatives and Commodity Contracts Unrealized (gain) loss on derivative contracts Accrued Settlements On Derivative Contracts. Accrued Settlements On Derivative Contracts Accrued settlements on derivative contracts Other Operating Activities, Cash Flow Statement Other Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Receivables Receivables Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Increase (Decrease) in Accrued Taxes Payable State and federal income taxes payable Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Oil and Gas Property Acquisition of oil and natural gas properties Capital Expenditure, Oil And Gas Property Capital Expenditure Oil And Gas Property Capital expenditures for oil and natural gas properties Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Payments of Ordinary Dividends, Common Stock Common stock dividends paid Common stock dividends paid Payments for Repurchase of Common Stock Common stock repurchases, including stock surrendered for tax withholding Proceeds from Lines of Credit Borrowings under senior secured credit facility Repayments of Lines of Credit Repayments of credit facility Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Supplemental disclosures of cash flow information: Interest Paid, Excluding Capitalized Interest, Operating Activities Cash paid for interest on Senior secured credit facility Income Taxes Paid, Net Cash paid for income taxes Proceeds from Income Tax Refunds Cash received from income tax refunds Non-cash investing and financing transactions: Increase (Decrease) in Accounts Payable Used to Acquire Property and Equipment Increase (Decrease) in Accounts Payable Used to Acquire Property and Equipment Increase (decrease) in accrued purchases of property and equipment This element represents oil and natural gas properties incurred through recognition of asset retirement obligations settlement transactions that were settled using noncash vehicles. Oil and Natural Gas Properties Incurred Through Recognition of Asset Retirement Obligations Oil and natural gas property costs attributable to the recognition of asset retirement obligations CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Additional Paid-in Capital Retained Earnings [Member] Retained Earnings Treasury Stock [Member] Treasury Stock Treasury Stock, Common [Member] Treasury Stock, Common Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Shares, Outstanding Balance (shares) Balance (shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Issuance of restricted common stock (shares) Stock Issued During Period, Value, Restricted Stock Award, Gross Issuance of restricted common stock Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Forfeitures of restricted stock (shares) Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Forfeitures of restricted stock Total cost of treasury shares acquired Common stock repurchases, including stock surrendered for tax withholding Total cost of treasury shares acquired Treasury Stock, Shares, Retired Retirements of treasury stock (in shares) Treasury Stock, Retired, Cost Method, Amount Retirements of treasury stock APIC, Share-based Payment Arrangement, Increase for Cost Recognition Stock-based compensation Dividends, Common Stock Common stock dividends paid Summary of Significant Events and Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Events and Accounting Policies Revenue Recognition Revenue from Contract with Customer [Text Block] Revenue Recognition Acquisitions Asset Acquisition [Text Block] Acquisitions Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Property and Equipment Senior Secured Credit Facility Debt Disclosure [Text Block] Senior Secured Credit Facility Income Taxes Income Tax Disclosure [Text Block] Income Taxes Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivatives Fair Value Measurement Fair Value Disclosures [Text Block] Fair Value Measurement Asset Retirement Obligations Asset Retirement Obligation Disclosure [Text Block] Asset Retirement Obligations Commitments and Contingencies. Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Earnings Per Share [Text Block] Earnings (Loss) per Common Share No definition available. Additional Financial Statement Information Additional Financial Information Disclosure [Text Block] Additional Financial Statement Information Leases Lessee, Operating Leases [Text Block] Leases Subsequent Events Subsequent Events [Text Block] Subsequent Events Consolidation, Policy [Policy Text Block] Principles of Consolidation and Reporting Risks And Uncertainties [Policy Text Block] Risks And Uncertainties [Policy Text Block] Risk and Uncertainties Use of Estimates, Policy [Policy Text Block] Use of Estimates Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Accounts Receivable [Policy Text Block] Accounts Receivable and Allowance for Doubtful Accounts Full Cost or Successful Efforts, Policy [Policy Text Block] Oil and Natural Gas Properties Property, Plant and Equipment, Policy [Policy Text Block] Other Property and Equipment Asset Retirement Obligation [Policy Text Block] Asset Retirement Obligations Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments