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Balance Sheet Components | 12 Months Ended
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Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Balance Sheet Components | Note 4. Balance Sheet Components Property and Equipment, Net Property and equipment, net consist of the following (in thousands):
|  | As of December 31, |
|  | 2023 |  |  | 2022 |
Tools and equipment |  | $ | 2,010 |  |  | $ | 2,173 |
Computer equipment and software |  |  | 37 |  |  |  | 37 |
Furniture and fixtures |  |  | 323 |  |  |  | 282 |
Leasehold improvements |  |  | 38 |  |  |  | 38 |
Construction in process |  |  | 859 |  |  |  | 475 |
|  |  | 3,267 |  |  |  | 3,005 |
Less: Accumulated depreciation |  |  | (1,627 | ) |  |  | (1,434 | )
Property and equipment, net |  | $ | 1,640 |  |  | $ | 1,571 |
Depreciation expense was $0.6 million and $0.7 million for the years ended December 31, 2023 and 2022 respectively. Accrued and Other Current Liabilities Accrued and other current liabilities consist of the following (in thousands):
|  | As of December 31, |
|  | 2023 |  |  | 2022 |
Accrued expenses |  | $ | 1,639 |  |  | $ | 5,307 |
Current portion of lease liabilities |  |  | 573 |  |  |  | 1,033 |
Short term interest payable |  |  | 375 |  |  |  | 348 |
Other accrued liabilities |  |  | 1,187 |  |  |  | 1,087 |
Total accrued and other current liabilities |  | $ | 3,774 |  |  | $ | 7,775 |
Other Noncurrent Liabilities Other noncurrent liabilities consist of the following (in thousands):
|  | As of December 31, |
|  | 2023 |  |  | 2022 |
Long term interest payable |  | $ | 1,524 |  |  | $ | 1,194 |
Noncurrent portion of lease liabilities |  |  | 914 |  |  |  | 635 |
Other noncurrent liabilities |  |  | 38 |  |  |  | 38 |
Total other noncurrent liabilities |  | $ | 2,476 |  |  | $ | 1,867 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//210/tableOfContent + Details
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