XML 28 R10.htm IDEA: XBRL DOCUMENT
v3.19.1

Additional Balance Sheet Information | 12 Months Ended
--- | ---
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Additional Balance Sheet Information | 3. Additional Balance Sheet Information Accounts receivable at December 31, 2018 and 2017 consisted of the following:
|  | December 31, |
(Thousands of dollars) |  | 2018 |  |  | 2017 |
Joint interest billings |  | $ | 1,976 |  |  | $ | 3,173 |
Trade receivables |  |  | 1,979 |  |  |  | 941 |
Oil and gas sales |  |  | 6,112 |  |  |  | 12,941 |
Tax refund receivable |  |  | 4,760 |  |  |  | — |
Other |  |  | 358 |  |  |  | 4 |
|  |  | 15,185 |  |  |  | 17,059 |
Less: Allowance for doubtful accounts |  |  | (224 | ) |  |  | (98 | )
Total |  | $ | 14,961 |  |  | $ | 16,961 |
Accounts payable at December 31, 2018 and 2017 consisted of the following:
|  | December 31, |
(Thousands of dollars) |  | 2018 |  |  | 2017 |
Trade |  | $ | 1,174 |  |  | $ | 14,317 |
Royalty and other owners |  |  | 6,197 |  |  |  | 7,073 |
Partner advances |  |  | 1,143 |  |  |  | 1,268 |
Prepaid drilling deposits |  |  | 214 |  |  |  | 67 |
Other |  |  | 825 |  |  |  | 1,890 |
Total |  | $ | 9,553 |  |  | $ | 24,615 |
Accrued liabilities at December 31, 2018 and 2017 consisted of the following:
|  | December 31, |
(Thousands of dollars) |  | 2018 |  |  | 2017 |
Compensation and related expenses |  | $ | 2,907 |  |  | $ | 2,449 |
Property costs |  |  | 14,993 |  |  |  | 9,141 |
Income tax |  |  | — |  |  |  | 4,180 |
Other |  |  | 531 |  |  |  | 524 |
Total |  | $ | 18,431 |  |  | $ | 16,294 |

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
Name: | us-gaap_SupplementalBalanceSheetDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration