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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
OPERATING ACTIVITIES: |  |
Net loss | $ (3,754) | $ (6,220)
Deferred income taxes | 26 | (2,060)
Equity income – Sunrise Energy | (364) | (1,054)
Cash distribution - Sunrise Energy | 0 | 1,125
Depreciation, depletion and amortization | 39,973 | 39,644
Asset impairment | 1,588 | 1,799
Gain on extinguishment of debt | (10,000) | 0
Loss on sale of assets | 317 | 38
Unrealized gain on marketable securities | 0 | (14)
Amortization of debt issuance costs | 2,564 | 2,296
Asset retirement obligations accretion | 1,504 | 1,381
Asset retirement obligations change in estimate | (3,510) | 0
Stock-based compensation | 1,004 | 1,211
Change in current assets and liabilities: |  |
Accounts receivable | 830 | 11,166
Inventory | 16,964 | 2,893
Parts and supplies | (1,112) | 2,872
Prepaid income taxes | 0 | 1,562
Prepaid expenses | (5,215) | 0
Accounts payable and accrued liabilities | 10,844 | (1,405)
Other | (362) | (3,048)
Cash provided by operating activities | 47,974 | 52,576
INVESTING ACTIVITIES: |  |
Capital expenditures | (28,050) | (20,688)
Proceeds from sale of equipment | 525 | 56
Proceeds from sale of marketable securities | 0 | 2,310
Proceeds from maturities of certificates of deposit | 0 | 245
Investment in Sunrise Energy | 0 | (113)
Cash used in investing activities | (27,525) | (18,190)
FINANCING ACTIVITIES: |  |
Payments on bank debt | (46,249) | (49,662)
Borrowings of bank debt | (20,250) | (7,250)
Proceeds from PPP note | 0 | 10,000
Debt issuance costs | (418) | (1,903)
Taxes paid on vesting of RSUs | (274) | (75)
Dividends | 0 | (1,236)
Cash used in financing activities | (26,691) | (35,626)
Decrease in cash, cash equivalents, and restricted cash | (6,242) | (1,240)
Cash, cash equivalents, and restricted cash, beginning of year | 12,071 | 13,311
Cash, cash equivalents, and restricted cash, end of year | 5,829 | 12,071
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH: |  |
Cash and cash equivalents | 2,546 | 8,041
Restricted cash | 3,283 | 4,030
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance | 5,829 | 12,071
SUPPLEMENTAL CASH FLOW INFORMATION: |  |
Cash paid for interest | 8,720 | 10,971
SUPPLEMENTAL NON-CASH FLOW INFORMATION: |  |
Change in capital expenditures included in accounts payable and prepaid expenses | 8,520 | 1,199
Interest Rate Swap [Member] |  |
OPERATING ACTIVITIES: |  |
Change in fair value of derivative | (3,026) | 68
Fuel Hedge [Member] |  |
OPERATING ACTIVITIES: |  |
Change in fair value of derivative | $ (297) | $ 322

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