Equity Components [Axis] Common Stock [Member] Additional Paid-in Capital [Member] Treasury Stock, Common [Member] Retained Earnings [Member] Cover [Abstract] Document Type Amendment Flag Amendment Description Document Registration Statement Document Annual Report Document Quarterly Report Document Transition Report Document Shell Company Report Document Shell Company Event Date Document Period Start Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity File Number Entity Registrant Name Entity Central Index Key Entity Primary SIC Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Extension Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Title of 12(g) Security Security Reporting Obligation Annual Information Form Audited Annual Financial Statements Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Elected Not To Use the Extended Transition Period Document Accounting Standard Other Reporting Standard Item Number Entity Shell Company Entity Public Float Entity Bankruptcy Proceedings, Reporting Current Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Statement of Financial Position [Abstract] ASSETS Current Assets Cash and cash equivalents Restricted cash Accounts receivable Income tax receivable Other short-term investments Total Current Assets Property and Equipment - at cost Oil and gas properties (full cost method) Rental equipment Gas gathering system Other property and equipment   Accumulated depreciation and amortization Total Property and Equipment Real Estate Property - at cost Land Commercial office building Accumulated depreciation Total Real Estate Property Other Assets Deferred Income Tax Asset Other long-term investments Other Total Other Assets Total Assets LIABILITIES AND SHAREHOLDERS' EQUITY Current Liabilities Accounts payable and accrued liabilities Total Current Liabilities Noncurrent Liabilities Other long-term liabilities Asset retirement obligation Total Noncurrent Liabilities Total Liabilities Shareholders' Equity Common stock, $.01 par value, 100,000,000 shares authorized; 7,677,471 shares issued and 6,598,303 outstanding at June 30, 2026, and 6,598,370 outstanding at December 31, 2025. Additional paid-in capital Treasury stock, at cost Retained earnings Total Shareholders' Equity Total Liabilities and Shareholders' Equity Common Stock, Par or Stated Value Per Share Common Stock, Shares Authorized Common Stock, Shares, Issued Common Stock, Shares, Outstanding Income Statement [Abstract] Revenues Oil and gas revenues Revenue from lease operations Gas gathering, compression, equipment rental Real estate rental income Other Total Revenues Expenses Lease operations Production taxes, gathering and marketing Pipeline and rental operations Real estate operations Depreciation and amortization General and administrative Total Expenses Income (Loss) from operations Other Revenue Interest Income Total Other Revenue and Expense Income (Loss) before income tax Current income tax provision Deferred income tax provision Total income tax provision Net Income (Loss) Earnings (Loss) per Share of Common Stock Basic and Diluted Weighted Average Shares Outstanding Basic and diluted Statement [Table] Statement [Line Items] Beginning balance, value Shares, Issued Purchase of 141,573 shares of Common Stock as Treasury Stock Purchase shares of Common Stock as Treasury Stock, shares Net (Loss) Ending balance, value Shares, Issued Statement of Cash Flows [Abstract] Cash Flows from Operating Activities Net Income Reconciliation of net Income to net cash provided by operating activities Depreciation and amortization Changes in accounts receivable Changes in income tax receivable Changes in accounts payable and accrued liabilities Changes in other long-term liabilities Changes in deferred Income tax asset Net cash provided for operating activities Cash Flows from Investing Activities Capitalized acquisition, exploration and development Changes in other short-term investments Changes in other long-term investments Proceeds from sale of oil and gas properties Net cash provided (used) for Investing activities Cash Flows from Financing Activities Purchase of treasury stock Net cash used for financing activities Increase in cash, cash equivalents, and restricted cash Cash, cash equivalents, and restricted cash at beginning of period Cash, cash equivalents, and restricted cash at end of period Accounting Policies [Abstract] 1. BASIS OF PRESENTATION AND ORGANIZATION Equity [Abstract] 2. COMMON STOCK Commitments and Contingencies Disclosure [Abstract] 3. CONTINGENCIES Subsequent Events [Abstract] Subsequent Events Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Line Items] Stock Repurchased During Period, Value Stock Repurchased During Period, Shares Shares Issued, Price Per Share Assets, Current Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization AccumulatedDepreciation TotalRealEstateProperty Other Assets, Miscellaneous Assets Liabilities, Current Liabilities, Noncurrent Liabilities Treasury Stock, Value Equity, Attributable to Parent Liabilities and Equity Other Income Revenues [Default Label] Operating Expenses Operating Income (Loss) Other Operating Income (Expense), Net Income (Loss) from Continuing Operations before Income Taxes, Domestic Income Tax Expense (Benefit) Net Income (Loss) Attributable to Parent Shares, Issued Depreciation, Depletion and Amortization, Nonproduction Increase (Decrease) in Accounts Receivable Increase (Decrease) in Prepaid Expense and Other Assets Cash Provided by (Used in) Operating Activity, Including Discontinued Operation CapitalizedAcquisitionExplorationAndDevelopment Payments to Acquire Short-Term Investments Payments for (Proceeds from) Long-Term Investments ProceedsFromSaleOfOilAndGasPropertyAndEquipment1 Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation