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v3.23.1

Details of Certain Financial Statement Components | 12 Months Ended
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Dec. 31, 2022
Details of Certain Financial Statement Components |
Details of Certain Financial Statement Components | Note 2 – Details of Certain Financial Statement Components The following tables provide details of selected balance sheet items: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ |  | 2022 |  | 2021
Inventories |  | (in thousands)
Raw materials |  | $ | 1,632 |  | $ | 447
Work-in-process | ​ | ​ | 192 | ​ | ​ | 209
Finished goods | ​ | ​ | 285 | ​ | ​ | 158
Total inventories |  | $ | 2,112 |  | $ | 814
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ |  | 2022 |  | 2021
Property, plant and equipment, net | ​ | (in thousands)
Furniture, machinery and equipment | ​ | $ | 1,688 | ​ | $ | 1,696
Leasehold improvements | ​ |  | 417 | ​ |  | 444
​ | ​ |  | 2,105 | ​ |  | 2,140
Less: accumulated depreciation | ​ |  | (1,921) | ​ |  | (1,802)
Total property, plant and equipment, net | ​ | $ | 184 | ​ | $ | 338
​ Depreciation expense totaled $193 thousand and $216 thousand in 2022 and 2021, respectively. ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ |  | 2022 |  | 2021
Intangible assets, net | ​ | (in thousands)
Patents and trademarks | ​ | $ | 658 | ​ | $ | 658
Less: accumulated amortization | ​ |  | (582) | ​ |  | (527)
Total intangibles, net | ​ | $ | 76 | ​ | $ | 131
​ Amortization expense totaled $54 thousand and $65 thousand in 2022 and 2021, respectively. Future amortization on existing intangibles over the next five years is as follows: ​
​ | ​ | ​ | ​
Years ending December 31, |  | (in thousands)
2023 | ​ | $ | 42
2024 | ​ |  | 27
2025 | ​ |  | 7
2026 | ​ | ​ | —
2027 | ​ | ​ | —
Thereafter | ​ |  | —
​ | ​ | $ | 76
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ |  | 2022 |  | 2021
Accrued liabilities | ​ | (in thousands)
Accrued wages and benefits | ​ | $ | 320 | ​ | $ | 402
Accrued vacation | ​ |  | 223 | ​ |  | 82
Accrued other liabilities | ​ |  | 25 | ​ |  | 23
Total accrued liabilities | ​ | $ | 568 | ​ | $ | 507
​

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