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Balance Sheet Components (Tables) | 12 Months Ended
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Dec. 31, 2022
Balance Sheet Components |
Schedule of Inventory | Inventory consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2022 |  | 2021
Raw materials | ​ | $ | 666 | ​ | $ | 464
Work-in-process | ​ |  | 4,746 | ​ |  | 4,620
Finished goods | ​ |  | 1,271 | ​ |  | 1,312
Total inventory | ​ | $ | 6,683 | ​ | $ | 6,396
​
Schedule of property and equipment, net | Property and equipment, net consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2022 |  | 2021
Manufacturing equipment | ​ | $ | 16,130 | ​ | $ | 12,608
Computer and network equipment | ​ | ​ | 1,124 | ​ | ​ | 1,008
Furniture and fixtures | ​ | ​ | 187 | ​ | ​ | 187
Software | ​ | ​ | 929 | ​ | ​ | 929
Leasehold improvements | ​ | ​ | 1,444 | ​ | ​ | 1,444
Total property and equipment, gross | ​ | ​ | 19,814 | ​ | ​ | 16,176
Less: accumulated depreciation | ​ | ​ | (15,931) | ​ | ​ | (15,203)
Total property and equipment, net | ​ | $ | 3,883 | ​ | $ | 973
​
Schedule of accrued liabilities | Accrued liabilities consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2022 |  | 2021
Payroll-related expenses | ​ | $ | 2,886 | ​ | $ | 2,845
Inventory | ​ | ​ | 185 | ​ | ​ | 177
Other | ​ |  | 462 | ​ |  | 557
Total accrued liabilities | ​ | $ | 3,533 | ​ | $ | 3,579
​

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