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Additional Balance Sheet Information - Components of Balance Sheet Amounts (Detail) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Accounts Receivable: |  |
Joint interest billings | $ 2,345 | $ 2,667
Trade receivables | 1,070 | 1,452
Oil and gas sales | 4,078 | 3,576
Other | 204 | 2,377
Accounts Receivable, Gross | 7,697 | 10,072
Less: Allowance for doubtful accounts | (297) | (529)
Total | 7,400 | 9,543
Accounts Payable: |  |
Trade | 3,967 | 3,289
Royalty and other owners | 5,909 | 5,973
Partner advances | 592 | 1,083
Prepaid drilling deposits | 83 | 390
Other | 1,414 | 1,620
Total | 11,965 | 12,355
Accrued Liabilities: |  |
Compensation and related expenses | 2,295 | 2,294
Property costs | 3,317 | 3,302
Income tax | 1,988 |
Other | 584 | 526
Total | $ 8,184 | $ 6,122

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