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Supplemental Disclosures of Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2021
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,
| 2021 |  | 2020 |  | 2019
Cash paid for interest | $ | 1,548 |  |  | $ | 1,766 |  |  | $ | 2,833 |
Cash paid for taxes | $ | 209 |  |  | $ | 635 |  |  | $ | 207 |
Non-cash investing activities: |  |  |  |  |
Asset retirement obligation | $ | — |  |  | $ | 34 |  |  | $ | (5,114) |
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 | $ | 1,586 |  |  | $ | 376 |  |  | $ | 899 |

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- References No definition available. + Details
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