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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019
Revenues: |  |  |  |
Revenues | $ 4,582 | $ 2,963 | $ 9,432 | $ 5,558
Costs and expenses: |  |  |  |
General and administrative | 2,031 | 1,461 | 3,527 | 3,009
Depletion, depreciation, and amortization | 687 | 758 | 1,392 | 1,577
Impairment of assets | 1,637 | 243 | 1,637 | 2,413
Interest expense | 0 | 0 | 0 | 4
Gain on sale of asset | (1,336) | 0 | (1,336) | 0
Total costs and expenses | 6,075 | 4,942 | 11,303 | 12,136
Loss before equity in loss of affiliates and income taxes | (1,493) | (1,979) | (1,871) | (6,578)
Equity in loss of affiliates | (25) | (207) | (68) | (286)
Loss before income taxes | (1,518) | (2,186) | (1,939) | (6,864)
Income tax benefit | 0 | (35) | (2) | (140)
Net loss | (1,518) | (2,151) | (1,937) | (6,724)
Less: Net (loss) earnings attributable to non-controlling interests | (4) | (26) | (9) | 1
Net loss attributable to Barnwell Industries, Inc. | $ (1,514) | $ (2,125) | $ (1,928) | $ (6,725)
Basic and diluted net loss per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share) | $ (0.18) | $ (0.26) | $ (0.23) | $ (0.81)
Weighted-average number of common shares outstanding: |  |  |  |
Basic and diluted (in shares) | 8,277 | 8,277 | 8,277 | 8,277
Oil and natural gas |  |  |  |
Revenues: |  |  |  |
Revenues | $ 1,910 | $ 1,924 | $ 4,051 | $ 3,156
Costs and expenses: |  |  |  |
Costs and expenses | 1,285 | 1,249 | 2,498 | 2,586
Depletion, depreciation, and amortization | 584 | 684 | 1,190 | 1,433
Impairment of assets | 1,637 | 243 | 1,637 | 2,413
Contract drilling |  |  |  |
Revenues: |  |  |  |
Revenues | 2,593 | 987 | 5,239 | 2,150
Costs and expenses: |  |  |  |
Costs and expenses | 1,771 | 1,231 | 3,585 | 2,547
Depletion, depreciation, and amortization | 91 | 60 | 176 | 117
Land investment |  |  |  |
Revenues: |  |  |  |
Revenues | 0 | 0 | 0 | 165
Gas processing and other |  |  |  |
Revenues: |  |  |  |
Revenues | 79 | 52 | 142 | 87
Costs and expenses: |  |  |  |
Depletion, depreciation, and amortization | $ 12 | $ 14 | $ 26 | $ 27

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