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v3.21.2

Supplemental Cash Flow Information (Tables) | 6 Months Ended
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Jun. 30, 2021
Supplemental Cash Flow Elements [Abstract] |
Schedule of Supplemental Cash Flow Information | Schedule of Supplemental Cash Flow Information
|  | Six months ended June 30, |
(Amounts in thousands) |  | 2021 |  |  | 2020 |
Cash paid during the year: |  |  |  |  |  |  |  |
Interest expense |  | $ | 1 |  |  | $ | 5 |
Income taxes |  | $ | 345 |  |  | $ | 10 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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