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Supplemental Disclosures of Cash Flow Information | 12 Months Ended
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Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract] |
Supplemental Disclosures of Cash Flow Information | Supplemental Disclosures of Cash Flow information 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 |

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -URI http://asc.fasb.org/topic&trid=2134446 + Details
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- References No definition available. + Details
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