Annual report pursuant to Section 13 and 15(d)

Supplemental Balance Sheet Detail (Details)

v3.20.4
Supplemental Balance Sheet Detail (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Prepaid and other current assets:    
Inventory, Net $ 3,856,000 $ 2,989,000
Prepaid Expense, Current 15,189,000 1,469,000
Drilling and Completion Prepayment 13,600,000  
Other current assets 19,045,000 4,458,000
Other assets:    
Debt Issuance Costs, Noncurrent, Net 2,349,000 3,952,000
Other 127,000 32,000
Accounts payable and accrued liabilities:    
Trade accounts payable 7,055,000 30,098,000
Accounts Payable, Other, Current 16,088,000 18,832,000
Accrued Royalties, Current 26,615,000 44,537,000
Production, ad valorem and other taxes 3,094,000 3,244,000
Accrued Expenses - Juniper Transaction 3,500,000  
Compensation-related 4,222,000 5,272,000
Interest Payable, Current 504,000 730,000
Operating Lease, Liability, Current 936,000 847,000
Other Accrued Liabilities, Current 4,254,000 2,264,000
Other liabilities:    
Asset Retirement Obligations, Noncurrent 5,461,000 4,934,000
Operating Lease, Liability, Noncurrent 1,752,000 2,232,000
Liability, Defined Benefit Pension Plan, Noncurrent 865,000 873,000
Postretirement health care benefit obligations $ 284,000 $ 343,000