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Note 4 - Other Accrued Liabilities | 6 Months Ended
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Jun. 30, 2023
Notes to Financial Statements |
Other Liabilities Disclosure [Text Block] | Note 4. Other Accrued Liabilities Other accrued liabilities consist of the following as of June 30, 2023 and December 31, 2022:
|  | June 30, |  |  | December 31, |
|  | 2023 |  |  | 2022 |
Insurance |  | $ | 135,000 |  |  | $ | 591,000 |
Professional services |  |  | 323,000 |  |  |  | 92,000 |
Operating costs |  |  | 624,000 |  |  |  | 539,000 |
Other |  |  | 314,000 |  |  |  | 322,000 |
Total other accrued liabilities |  | $ | 1,396,000 |  |  | $ | 1,544,000 |

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- Definition The entire disclosure for other liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20,24) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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