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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities: |  |
Net earnings | $ 1,209 | $ 1,340
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |
Equity in income of affiliates | (538) | (1,207)
Depletion, depreciation, and amortization | 840 | 483
Gain on sale of assets | (551) | 0
Sale of interest in leasehold land, net of fees paid | (233) | (527)
Distributions of income from equity investees | 319 | 1,207
Retirement benefits income | (63) | (68)
Accretion of asset retirement obligation | 194 | 159
Non-cash rent income | (5) | (1)
Deferred income tax (benefit) expense | (12) | 32
Asset retirement obligation payments | (76) | (83)
Share-based compensation expense | 115 | 254
Common stock issued for services | 0 | 2
Retirement plan contributions and payments | (1) | 0
Bad debt expense | 18 | 0
Foreign currency gain | (78) | 0
Decrease from changes in current assets and liabilities | (241) | (682)
Net cash provided by operating activities | 897 | 909
Cash flows from investing activities: |  |
Distribution from equity investees in excess of earnings | 219 | 0
Proceeds from sale of interest in leasehold land, net of fees paid | 233 | 527
Proceeds from the sale of contract drilling assets | 0 | 687
Payments to acquire oil and natural gas properties | 0 | (317)
Capital expenditures - oil and natural gas | (3,870) | (702)
Capital expenditures - all other | (9) | (1)
Advances to operators for capital expenditures | (3,464) | 0
Net cash (used in) provided by investing activities | (6,891) | 194
Cash flows from financing activities: |  |
Distributions to non-controlling interests | (108) | (251)
Net cash used in financing activities | (108) | (251)
Effect of exchange rate changes on cash and cash equivalents | 34 | 11
Net (decrease) increase in cash and cash equivalents | (6,068) | 863
Cash and cash equivalents at beginning of period | 12,804 | 11,279
Cash and cash equivalents at end of period | $ 6,736 | $ 12,142

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