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ACCRUED CLOSURE COSTS AND ARO | 12 Months Ended
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Dec. 31, 2021
Asset Retirement Obligation Disclosure [Abstract] |
ACCRUED CLOSURE COSTS AND ARO | NOTE 12 ACCRUED CLOSURE COSTS AND ARO Accrued closure costs represent our estimated environmental liability to clean up our fixed-based regulated facilities as required by our permits, in the event of closure. Changes to reported closure liabilities (current and long-term) for the years ended December 31, 2021 and 2020, were as follows: SCHEDULE OF CHANGE IN ASSET RETIREMENT OBLIGATION
Amounts in thousands |  |  |
Balance as of December 31, 2019 |  | $ | 6,041 |
Accretion expense |  |  | 335 |
Spending |  |  | (11 | )
Balance as of December 31, 2020 |  | $ | 6,365 |
Accretion expense |  |  | 377 |
Addition to closure liability |  |  | 499 |
Spending |  |  | (50 | )
Balance as of December 31, 2021 |  | $ | 7,191 |
The addition to closure liabilities for 2021 reflects primarily estimated costs for decommissioning activities required to restore the leased property at our EWOC facility back to its original condition at the end of its lease term. As of December 31, 2021, current portion of the closure liabilities totaled approximately $578,000 which consists primarily of the closure liabilities for our EWOC facility. The reported closure asset or ARO, is reported as a component of “Net Property and equipment” in the Consolidated Balance Sheets at December 31, 2021 and 2020 with the following activity for the years ended December 31, 2021 and 2020: SCHEDULE OF ASSET RETIREMENT OBLIGATIONS
Amounts in thousands |  |  |
Balance as of December 31, 2019 |  | $ | 3,539 |
Amortization of closure and post-closure asset |  |  | (191 | )
Balance as of December 31, 2020 |  | $ | 3,348 |
Addition to closure and post-closure asset |  |  | 478 |
Amortization of closure and post-closure asset |  |  | (250 | )
Balance as of December 31, 2021 |  | $ | 3,576 |
The addition to ARO reflects closure obligations related to our EWOC facility as discussed above.

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- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2175671 + Details
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