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Balance Sheet Detail | 12 Months Ended
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Dec. 31, 2023
Consolidated Balance Sheet Detail [Abstract] |
Balance Sheet Detail | Note 3. Balance Sheet Detail
|  | December 31, |
|  | 2023 |  |  | 2022 |
|  | (in thousands) |
Inventories: |  |  |  |  |  |
Raw materials |  | $ | 209 |  |  | $ | 1,279 |
Work-in-process |  |  | 1,517 |  |  |  | 2,595 |
Finished goods |  |  | 880 |  |  |  | 1,474 |
|  | $ | 2,606 |  |  | $ | 5,348 |
Prepaid expenses and other: |  |  |  |  |  |  |  |
Prepaid inventory and production costs |  | $ | 452 |  |  | $ | 186 |
Prepaid insurance |  |  | 37 |  |  |  | 77 |
Prepaid software |  |  | 67 |  |  |  | 173 |
Other |  |  | 28 |  |  |  | 138 |
|  | $ | 584 |  |  | $ | 574 |
Property and equipment, net: |  |  |  |  |  |  |  |
Machinery and equipment |  | $ | 4,848 |  |  | $ | 4,630 |
Computer equipment and software |  |  | 377 |  |  |  | 342 |
Furniture and fixtures |  |  | 93 |  |  |  | 93 |
Leasehold improvements |  |  | 428 |  |  |  | 555 |
Total property and equipment |  |  | 5,746 |  |  |  | 5,620 |
Less: Accumulated depreciation and amortization |  |  | (4,590 | ) |  |  | (3,395 | )
|  | $ | 1,156 |  |  | $ | 2,225 |
During the year ended December 31, 2023, the Company wrote off assets with a book value of approximately $243,000 to depreciation expense as a loss on disposal. The net book value of assets written off was allocated between cost of net revenue of $116,000 and the remaining book value of $127,000 was charged to operating expenses. During the year ended December 31, 2022, the Company wrote-off fully depreciated assets, or assets that were no longer in service, with a historical cost of approximately $6,380,000 with corresponding accumulated depreciation of approximately $6,227,000. Depreciation expense of approximately $535,000 and approximately $384,000 was charged to cost of net revenue and operating expenses, respectively, for the year ended December 31, 2023. The Company wrote off the remaining book value of approximately $153,000 to depreciation expense as a loss on disposal during the year ended December 31, 2022.
|  | December 31, |
|  | 2023 |  |  | 2022 |
|  | (in thousands) |
Accrued Expenses & Other: |  |  |  |  |  |
Accrued wages and employee benefits |  | $ | 405 |  |  | $ | 469 |
Professional fees, legal and consulting |  |  | 158 |  |  |  | 514 |
Financing liability |  |  | — |  |  |  | 330 |
Warranty accrual |  |  | 37 |  |  |  | 39 |
Other |  |  | 11 |  |  |  | 465 |
|  | $ | 611 |  |  | $ | 1,817 |

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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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