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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Cash flows from operating activities: |  |
Net earnings | $ 6,172 | $ 7,203
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |
Equity in income of affiliates | (3,400) | (5,793)
Depletion, depreciation, and amortization | 2,778 | 963
Impairment of assets | 89 | 668
Gain on sale of oil and natural gas properties | 0 | (818)
Gain on sale of other assets | 0 | (1,164)
Sale of interest in leasehold land, net of fees paid | (1,137) | (1,526)
Distributions of income from equity investees | 3,170 | 5,045
Retirement benefits income | (272) | (88)
Accretion of asset retirement obligation | 767 | 580
Deferred income tax (benefit) expense | (171) | 165
Asset retirement obligation payments | (942) | (421)
Share-based compensation expense | 657 | 643
Common stock issued for services | 3 | 1
Non-cash rent income | (1) | (4)
Retirement plan contributions and payments | (3) | (14)
Bad debt expense | 124 | 32
Foreign currency loss | 484 | 0
Gain on debt extinguishment | 0 | (149)
Gain on termination of post-retirement medical plan | 0 | (2,341)
Decrease from changes in current assets and liabilities | (1,027) | (2,151)
Net cash provided by operating activities | 7,291 | 831
Cash flows from investing activities: |  |
Distributions from equity investees in excess of earnings | 230 | 1,649
Proceeds from sale of interest in leasehold land, net of fees paid | 1,137 | 1,526
Proceeds from sale of oil and natural gas assets | 503 | 581
Proceeds from sale of contract drilling and other assets, net of closing costs | 687 | 1,864
Deposit for sale of contract drilling asset | 551 | 0
Payments to acquire oil and natural gas properties | (1,563) | (348)
Capital expenditures - oil and natural gas | (8,607) | (1,523)
Capital expenditures - all other | (50) | (63)
Net cash (used in) provided by investing activities | (7,112) | 3,686
Cash flows from financing activities: |  |
Borrowings on long-term debt | 0 | 47
Distributions to non-controlling interests | (647) | (1,034)
Proceeds from issuance of stock, net of costs | 2,356 | 3,179
Payment of dividends | (149) | 0
Net cash provided by financing activities | 1,560 | 2,192
Effect of exchange rate changes on cash and cash equivalents | (214) | (14)
Net increase in cash and cash equivalents | 1,525 | 6,695
Cash and cash equivalents at beginning of year | 11,279 | 4,584
Cash and cash equivalents at end of year | $ 12,804 | $ 11,279

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