XML 61 R42.htm IDEA: XBRL DOCUMENT
v3.20.4

Supplemental Disclosures of Cash Flow Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract] |
Schedule of supplemental cash flow disclosures | Supplemental disclosures regarding cash flow information and non-cash investing and financing activities are as follows:
| Year Ended December 31,
| 2020 |  | 2019 |  | 2018
Cash paid for interest | $ | 1,766 |  |  | $ | 2,833 |  |  | $ | 1,660 |
Cash paid for taxes | $ | 635 |  |  | $ | 207 |  |  | $ | 666 |
Non-cash investing activities: |  |  |  |  |
Contingent consideration | $ | — |  |  | $ | — |  |  | $ | 9,200 |
Asset retirement obligation | $ | 34 |  |  | $ | (5,114) |  |  | $ | 7,546 |
Non-cash financing activities: |  |  |  |  |
Equipment purchased with debt | $ | — |  |  | $ | — |  |  | $ | 4,733 |
Write-off of remaining balance of returned equipment under capital lease | $ | — |  |  | $ | — |  |  | $ | 398 |
Capitalized expenditures in accounts payable and accrued expenses | $ | 376 |  |  | $ | 899 |  |  | $ | 3,014 |

X
- 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: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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