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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Cash Flows from Operating Activities:    
Net Income (Loss) $ 2,126 $ (2,363)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation, depletion, amortization and accretion on discounted liabilities 26,325 28,176
Gain on sale of properties (1,478) (15,836)
Unrealized loss (gain) on derivative instruments 4,914 190
PPP Loan forgiveness (1,693)  
Provision for deferred income taxes 2,376 443
Changes in assets and liabilities:    
Accounts receivable (6,987) 7,139
Due to related parties 14 38
Prepaid expenses and other assets (79) 58
Accounts payable 2,065 (1,417)
Accrued liabilities 1,034 (49)
Net Cash Provided by Operating Activities 28,617 16,379
Cash Flows from Investing Activities:    
Capital expenditures, including exploration expense (20,726) (10,523)
Proceeds from sale of properties and equipment 1,478 10,862
Net Cash (Used in) provided by Investing Activities (19,248) 339
Cash Flows from Financing Activities:    
Purchase of stock for treasury (145) (710)
Purchase of non-controlling interests (676) (742)
Increase in long-term bank debt and other long-term obligations 11,209 6,755
Repayment of long-term bank debt and other long-term obligations (10,209) (21,983)
Distribution to non-controlling interest (197) (57)
Net Cash (used in) Financing Activities (18) (16,737)
Net Increase (Decrease) in Cash and Cash Equivalents 9,351 (19)
Cash and Cash Equivalents at the Beginning of the Year 996 1,015
Cash and Cash Equivalents at the End of the Year 10,347 996
Supplemental Disclosures:    
Income taxes paid during the year 343 1
Interest paid during the year 1,957 2,052
Non-Cash Disclosures:    
Purchase of non-controlling interest 14 36
Distribution of non-controlling interest in liquidated partnerships $ 647 $ 1,550