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Balance Sheet Components | 9 Months Ended
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Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Balance Sheet Components | Balance Sheet Components Inventory Inventories consist of the following (in thousands):
| September 30, |  | December 31,
| 2022 |  | 2021
Raw materials | $ | 3,171 |  |  | $ | 2,232 |
Work-in-process | 501 |  |  | 879 |
Finished goods | 4,909 |  |  | 4,711 |
Total | $ | 8,581 |  |  | $ | 7,822 |
Property and Equipment, net Property and equipment, net consists of the following (in thousands):
| September 30, |  | December 31,
| 2022 |  | 2021
Machinery, equipment, furniture and fixtures | $ | 4,211 |  |  | $ | 3,742 |
Computer equipment and software | 2,952 |  |  | 2,916 |
Leasehold improvements | 2,402 |  |  | 2,402 |
| 9,565 |  |  | 9,060 |
Less: Accumulated depreciation | (8,671) |  |  | (8,457) |
Property and equipment, net | $ | 894 |  |  | $ | 603 |
Depreciation expense for the three months ended September 30, 2022 and 2021 was $0.1 million and $0.1 million, respectively. Depreciation expense for the nine months ended September 30, 2022 and 2021 was $0.2 million and $0.2 million, respectively. Accrued Liabilities Accrued liabilities consist of the following (in thousands):
| September 30, |  | December 31,
| 2022 |  | 2021
Payroll and related expenses | $ | 5,991 |  |  | $ | 6,547 |
Inventory-raw materials | 377 |  |  | 251 |
Professional fees | 365 |  |  | 109 |
Deferred rent, current | — |  |  | 490 |
Other | 817 |  |  | 526 |
Total accrued liabilities | $ | 7,550 |  |  | $ | 7,923 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI https://asc.fasb.org/topic&trid=2122208 + Details
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