000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Balance Sheets link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Balance Sheets (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Statements of Operations link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Changes in Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Changes in Stockholders' Equity (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 1 - Organization and Nature of Operations link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 2 - Basis of Presentation and Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 3 - Acquisitions and Divestures link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 4 - Fair Value Measurements link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 5 - Derivative Financial Instruments link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 6 - Exploratory Extension Well Costs link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 7 - Long-term Debt link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 8 - Asset Retirement Obligations link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 9 - Incentive Plans link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 10 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 11 - Related Party Transactions link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 12 - Major Customers link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 13 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 14 - Earnings Per Share link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 15 - Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 16 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) link:calculationLink link:definitionLink link:presentationLink 9956469 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 9956470 - Disclosure - Note 2 - Basis of Presentation and Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 9956471 - Disclosure - Note 4 - Fair Value Measurements (Tables) link:calculationLink link:definitionLink link:presentationLink 9956472 - Disclosure - Note 5 - Derivative Financial Instruments (Tables) link:calculationLink link:definitionLink link:presentationLink 9956473 - Disclosure - Note 6 - Exploratory Extension Well Costs (Tables) link:calculationLink link:definitionLink link:presentationLink 9956474 - Disclosure - Note 7 - Long-term Debt (Tables) link:calculationLink link:definitionLink link:presentationLink 9956475 - Disclosure - Note 8 - Asset Retirement Obligations (Tables) link:calculationLink link:definitionLink link:presentationLink 9956476 - Disclosure - Note 9 - Incentive Plans (Tables) link:calculationLink link:definitionLink link:presentationLink 9956477 - Disclosure - Note 10 - Commitments and Contingencies (Tables) link:calculationLink link:definitionLink link:presentationLink 9956478 - Disclosure - Note 13 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 9956479 - Disclosure - Note 14 - Earnings Per Share (Tables) link:calculationLink link:definitionLink link:presentationLink 9956480 - Disclosure - Note 16 - Subsequent Events (Tables) link:calculationLink link:definitionLink link:presentationLink 9956481 - Disclosure - Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) (Tables) link:calculationLink link:definitionLink link:presentationLink 9956482 - Disclosure - Note 2 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 9956483 - Disclosure - Note 2 - Basis of Presentation and Summary of Significant Accounting Policies - Other Property and Equipment, Net (Details) link:calculationLink link:definitionLink link:presentationLink 9956484 - Disclosure - Note 2 - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Reportable Segments (Details) link:calculationLink link:definitionLink link:presentationLink 9956485 - Disclosure - Note 3 - Acquisitions and Divestures (Details Textual) link:calculationLink link:definitionLink link:presentationLink 9956486 - Disclosure - Note 4 - Fair Value Measurements - Assets and Liabilities Measured On Recurring Basis (Details) link:calculationLink link:definitionLink link:presentationLink 9956487 - Disclosure - Note 5 - Derivative Financial Instruments - Summary of the Effect of Derivatives on the Condensed Consolidated Statements of Operations (Details) link:calculationLink link:definitionLink link:presentationLink 9956488 - Disclosure - Note 5 - Derivative Financial Instruments - Price Risk Derivative Contracts (Details) link:calculationLink link:definitionLink link:presentationLink 9956489 - Disclosure - Note 5 - Derivative Financial Instruments - Net Derivative Liabilities By Counterparty (Details) link:calculationLink link:definitionLink link:presentationLink 9956490 - Disclosure - Note 6 - Exploratory Extension Well Costs (Details Textual) link:calculationLink link:definitionLink link:presentationLink 9956491 - Disclosure - Note 6 - Exploratory Extension Well Costs - Exploratory Well Costs (Details) link:calculationLink link:definitionLink link:presentationLink 9956492 - Disclosure - Note 7 - Long-term Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 9956493 - Disclosure - Note 7 - Long-term Debt - Long-term Debt (Details) link:calculationLink link:definitionLink link:presentationLink 9956494 - Disclosure - Note 8 - Asset Retirement Obligations - Asset Retirement Obligations Activity (Details) link:calculationLink link:definitionLink link:presentationLink 9956495 - Disclosure - Note 9 - Incentive Plans (Details Textual) link:calculationLink link:definitionLink link:presentationLink 9956496 - Disclosure - Note 9 - Incentive Plans - Number of Shares Available for Grant Pursuant to Long-term Incentive Plan (Details) link:calculationLink link:definitionLink link:presentationLink 9956497 - Disclosure - Note 9 - Incentive Plans - Stock Options Activity (Details) link:calculationLink link:definitionLink link:presentationLink 9956498 - Disclosure - Note 10 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 9956499 - Disclosure - Note 10 - Commitments and Contingencies - Operating Lease Obligations (Details) link:calculationLink link:definitionLink link:presentationLink 9956500 - Disclosure - Note 11 - Related Party Transactions (Details Textual) link:calculationLink link:definitionLink link:presentationLink 9956501 - Disclosure - Note 12 - Major Customers (Details Textual) link:calculationLink link:definitionLink link:presentationLink 9956502 - Disclosure - Note 13 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 9956503 - Disclosure - Note 13 - Income Taxes - Income Tax Benefit and Effective Tax Rate (Details) link:calculationLink link:definitionLink link:presentationLink 9956504 - Disclosure - Note 13 - Income Taxes - Effective Income Tax Rate Reconciliation (Details) link:calculationLink link:definitionLink link:presentationLink 9956505 - Disclosure - Note 13 - Income Taxes - Deferred Tax Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 9956506 - Disclosure - Note 14 - Earnings Per Share - Basic and Diluted Net Income (Loss) Per Share Attributable to Common Stockholders (Details) link:calculationLink link:definitionLink link:presentationLink 9956507 - Disclosure - Note 15 - Stockholders' Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 9956508 - Disclosure - Note 16 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink 9956509 - Disclosure - Note 16 - Subsequent Events - Schedule Of Natural Gas Derivative Instruments (Details) link:calculationLink link:definitionLink link:presentationLink 9956510 - Disclosure - Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) (Details Textual) link:calculationLink link:definitionLink link:presentationLink 9956511 - Disclosure - Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Net Capitalized Costs (Details) link:calculationLink link:definitionLink link:presentationLink 9956512 - Disclosure - Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Cost Incurred in Oil and Natural Gas Property Acquisition, Exploration and Development (Details) link:calculationLink link:definitionLink link:presentationLink 9956513 - Disclosure - Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Results of Operating for Oil, Natural Gas and NGL Producing Activities (Details) link:calculationLink link:definitionLink link:presentationLink 9956514 - Disclosure - Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Changes in Proved and Unproven Reserves (Details) link:calculationLink link:definitionLink link:presentationLink 9956515 - Disclosure - Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Quantities of Proved Developed and Undeveloped Reserves (Details) link:calculationLink link:definitionLink link:presentationLink 9956516 - Disclosure - Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Standardized Measure of Discounted Future of Net Cash Flows (Details) link:calculationLink link:definitionLink link:presentationLink 9956517 - Disclosure - Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Changes in Standardized Measure of Discounted Future (Details) link:calculationLink link:definitionLink link:presentationLink