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Selected Balance Sheet Data (Tables) | 12 Months Ended
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Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Prepaid Expenses and Other Current Assets | Prepaid expenses and other current assets for the years ended December 31, 2021 and 2020 consisted of the following (in thousands):
|  | December 31, 2021 |  | December 31, 2020
Prepaid inventories |  | $ | 7,303 |  |  | $ | 8 |
Prepaid insurance |  | 4,996 |  |  | 48 |
Deposits (primarily deposits relating to equipment purchases) |  | 2,783 |  |  | — |
Assets held for sale |  | 1,848 |  |  | — |
Prepaid licenses and subscriptions |  | 801 |  |  | — |
Other |  | 119 |  |  | — |
Total |  | $ | 17,850 |  |  | $ | 56 |
Schedule of Other Current Liabilities | Other current liabilities for the years ended December 31, 2021 and 2020 consisted of the following (in thousands):
|  | December 31, 2021 |  | December 31, 2020
Accrued expenses(1) |  | $ | 3,997 |  |  | $ | 1,837 |
Customer deposits |  | 899 |  |  | 731 |
Warranty liability |  | 177 |  |  | — |
Accrued interest |  | — |  |  | 2,453 |
Other |  | 306 |  |  | 121 |
Total |  | $ | 5,379 |  |  | $ | 5,142 |
____________ (1) Primarily relates to personnel costs — wages, health benefits, vacation and other accruals.

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of other current liabilities. + References No definition available. + Details
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