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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Cash flows from operating activities: |  |  |  |
Net earnings | $ 2,589 | $ 5,554 | $ 6,327 | $ 5,503
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |  |  |
Equity in income of affiliates | (433) | (3,348) | (3,400) | (5,026)
Depletion, depreciation, and amortization | 814 | 235 | 1,915 | 738
Impairment of assets | 0 | 0 | 0 | 630
Sale of interest in leasehold land, net of fees paid |  |  | (1,137) | (1,526)
Distributions of income from equity investees |  |  | 3,170 | 4,278
Retirement benefits income |  |  | (204) | (38)
Non-cash rent income |  |  | (1) | (3)
Accretion of asset retirement obligation |  |  | 562 | 432
Deferred income tax (benefit) expense | (51) | 151 | (53) | 165
Asset retirement obligation payments |  |  | (780) | (316)
Share-based compensation expense |  |  | 541 | 389
Common stock issued for services |  |  | 3 | 0
Retirement plan contributions and payments |  |  | (2) | (5)
Bad debt (recovery) expense |  |  | (27) | 33
Gain on debt extinguishment | 0 | (149) | 0 | (149)
Gain on termination of post-retirement medical plan | 0 | (2,341) | 0 | (2,341)
Decrease from changes in current assets and liabilities |  |  | (1,245) | (659)
Net cash provided by operating activities |  |  | 5,669 | 2,105
Cash flows from investing activities: |  |  |  |
Distribution 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 the sale of contract drilling assets |  |  | 687 | 0
Proceeds from the sale of oil and natural gas assets |  |  | 0 | 60
Payments to acquire oil and natural gas properties |  |  | (1,563) | (348)
Capital expenditures - oil and natural gas |  |  | (6,541) | (904)
Capital expenditures - all other |  |  | (13) | (28)
Net cash (used in) provided by investing activities |  |  | (6,063) | 1,955
Cash flows from financing activities: |  |  |  |
Borrowings on long-term debt |  |  | 0 | 47
Distributions to non-controlling interests |  |  | (629) | (951)
Proceeds from issuance of stock, net of costs |  |  | 2,356 | 1,736
Net cash provided by financing activities |  |  | 1,727 | 832
Effect of exchange rate changes on cash and cash equivalents |  |  | (38) | 24
Net increase in cash and cash equivalents |  |  | 1,295 | 4,916
Cash and cash equivalents at beginning of period |  |  | 11,279 | 4,584
Cash and cash equivalents at end of period | $ 12,574 | $ 9,500 | $ 12,574 | $ 9,500

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