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Note 15 - Other Financial Statement Information | 12 Months Ended
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Dec. 31, 2023
Notes to Financial Statements |
Supplemental Balance Sheet Disclosures [Text Block] | 15. Other Financial Statement Information Inventories, Net The Company reduces the value of its inventories to net realizable value when the net realizable value is believed to be less than the cost of the item. The components of inventory as of December 31, 2023 and 2022 are summarized below:
|  | December 31,
|  | 2023 |  | 2022
Raw materials |  | $ | 271 |  |  | $ | 307 |
Work in process |  |  | 9 |  |  |  | 7 |
Total gross inventory |  |  | 280 |  |  |  | 314 |
Reserve for excess and obsolete inventory |  |  | (76 | ) |  |  | (49 | )
Inventories, net |  | $ | 204 |  |  | $ | 265 |
Property, Plant and Equipment, Net The components of property, plant and equipment as of December 31, 2023 and 2022 are summarized below:
|  | December 31,
|  | 2023 |  | 2022
Machinery and equipment |  | $ | 639 |  |  | $ | 639 |
Gross property, plant and equipment |  |  | 639 |  |  |  | 639 |
Less: Accumulated depreciation |  |  | (639 | ) |  |  | (638 | )
Property, plant and equipment, net |  | $ | — |  |  | $ | 1 |
Intangible Assets, Net The components of intangible assets as of December 31, 2023 and 2022 are summarized below:
|  | December 31,
|  | 2023 |  | 2022
Intellectual property |  | $ | 214 |  |  | $ | 214 |
Gross intangible assets |  |  | 214 |  |  |  | 214 |
Less: Accumulated amortization |  |  | (157 | ) |  |  | (136 | )
Intangible assets, net |  | $ | 57 |  |  | $ | 78

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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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