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Cover
Cover
Audit Information
Financial Statements
CONSOLIDATED BALANCE SHEETS
CONSOLIDATED BALANCE SHEETS (Parenthetical)
CONSOLIDATED STATEMENTS OF OPERATIONS
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
CONSOLIDATED STATEMENTS OF CASH FLOWS
Notes to Financial Statements
Summary of Significant Accounting Policies
Acquisitions and Dispositions of Natural Gas and Oil Properties
Natural Gas and Oil Producing Activities
Long-term Debt
Commitments and Contingencies
Convertible Preferred Stock
Stockholders' Equity
Stock-based Compensation
Retirement Plan
Income Taxes
Derivative Financial Instruments and Hedging Activities
Related Party Transactions
Natural Gas and Oil Reserves Information (Unaudited)
Accounting Policies
Summary of Significant Accounting Policies (Policies)
Notes Tables
Summary of Significant Accounting Policies (Tables)
Natural Gas and Oil Producing Activities (Tables)
Long-term Debt (Tables)
Stock-based Compensation (Tables)
Income Taxes (Tables)
Derivative Financial Instruments and Hedging Activities (Tables)
Natural Gas and Oil Reserves Information (Unaudited) (Tables)
Notes Details
Summary of Significant Accounting Policies - Narrative (Detail)
Summary of Significant Accounting Policies - Other Current Assets (Detail)
Summary of Significant Accounting Policies - Summary of Carrying Amounts and Fair Values of Financial Instruments (Detail)
Summary of Significant Accounting Policies - Exploratory Costs (Details)
Summary of Significant Accounting Policies - Summary of Lease Cost Recognized (Detail)
Summary of Significant Accounting Policies - Summary of Liabilities Under Contract Contain Operating Leases (Detail)
Summary of Significant Accounting Policies - Summary of Accrued Expenses (Detail)
Summary of Significant Accounting Policies - Summary of Changes in Reserve for Future Abandonment Costs (Detail)
Summary of Significant Accounting Policies - Weighted Average Shares of Unvested Restricted Stock (Detail)
Summary of Significant Accounting Policies - Common Stock and Convertible Stock Dilutive in Computation of Earning Per Share (Detail)
Summary of Significant Accounting Policies - Basic and Diluted Income (Loss) Per Share (Detail)
Summary of Significant Accounting Policies - Supplementary Information of Consolidated Statements of Cash Flows (Detail)
Acquisitions and Dispositions of Natural Gas and Oil Properties - Additional Information (Detail)
Natural Gas and Oil Producing Activities - Capitalized Costs Related to Oil and Natural Gas Property Acquisition Exploration and Development Activities (Detail)
Natural Gas and Oil Producing Activities - Costs Incurred Related to Oil and Natural Gas Property Acquisition Exploration and Development Activities (Detail)
Long-term Debt - Long-term Debt (Detail)
Long-term Debt - Principal Amount of Debt by Year of Maturity (Detail)
Long-term Debt - Additional Information (Detail)
Commitments and Contingencies - Additional Information (Detail)
Convertible Preferred Stock - Additional Information (Detail)
Stockholders' Equity - Additional Information (Detail)
Stock-based Compensation - Additional Information (Detail)
Stock-based Compensation - Summary of Restricted Stock Activity (Detail)
Stock-based Compensation - Summary of Significant Assumptions Used to Value PSUs (Detail)
Stock-based Compensation - Summary of PSU Activity (Detail) (Potential Performance Shares (PSU))
Stock-based Compensation - Summary of PSU Activity (Detail)
Retirement Plan - Additional Information (Detail)
Income Taxes - Consolidated Income Tax Provision (Benefit) (Detail)
Income Taxes - Additional Information (Detail)
Income Taxes - Tax Effects of Significant Temporary Differences Representing Net Deferred Tax Asset and Liability (Detail)
Income Taxes - Income Tax Expense Benefit Income Tax Reconciliation (Detail)
Income Taxes - Difference Between Customary Rate and Effective Tax Rate on Income Before Income Taxes Due (Detail)
Income Taxes - Carryforwards Available to Reduce Future Income Taxes (Detail)
Derivative Financial Instruments and Hedging Activities - Schedule of Derivative Contracts Volume and Prices (Detail)
Derivative Financial Instruments and Hedging Activities - Schedule of Derivative Instruments (Detail)
Derivative Financial Instruments and Hedging Activities - Schedule of Gains and Losses from Derivative Financial Instruments (Detail)
Related Party Transactions - Additional Information (Detail)
Natural Gas and Oil Reserves Information (Unaudited) - Summary of Changes in Net Quantities of Natural Gas and Crude Oil Reserves (Detail)
Natural Gas and Oil Reserves Information (Unaudited) - Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves (Detail)
Natural Gas and Oil Reserves Information (Unaudited) - Changes in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves (Detail)
Natural Gas and Oil Reserves Information (Unaudited) - Summary of Prices Used in Determining Natural Gas and Oiil Reserves Quantities and Cash Flows (Detail)
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