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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2018
Stock-Based Compensation. |
Stock-based compensation expense |
|  | Three months ended June 30, |  | Six months ended June 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
|  | (in thousands) |  |  |  |  |  |
Stock options |  | $ | 181 |  | $ | 133 |  | $ | 355 |  | $ | 264
Restricted stock units |  |  | 68 |  |  | 50 |  |  | 130 |  |  | 119
Total |  | $ | 249 |  | $ | 183 |  | $ | 485 |  | $ | 383
Schedule Of Stock-Based Compensation Expense Allocated Between Production And General And Administrative Expense |
|  | Three months ended June 30, |  | Six months ended June 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
|  | (in thousands) |  |  |  |  |  |
Production costs |  | $ | 20 |  | $ | 15 |  | $ | 12 |  | $ | 29
General and administrative expenses |  |  | 201 |  |  | 161 |  |  | 424 |  |  | 340
Exploration expense |  |  | 28 |  |  | 7 |  |  | 49 |  |  | 14
Total |  | $ | 249 |  | $ | 183 |  | $ | 485 |  | $ | 383

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 + Details
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