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Note 2 - Long-lived Asset Impairments | 3 Months Ended
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Mar. 31, 2023
Notes to Financial Statements |
Asset Impairment Charges [Text Block] |
(2) | LONG-LIVED ASSET IMPAIRMENTS
Long-lived assets are reviewed for impairment whenever events or changes in circumstance indicate that the carrying amount of the assets may not be recoverable. For the three-month periods ended March 31, 2023 and March 31, 2022, there were no impairment charges recorded for long-lived assets.

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- Definition The entire disclosure for the details of the charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value. Disclosure may also include a description of the impaired asset and facts and circumstances leading to the impairment, amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired asset is reported. + References No definition available. + Details
Name: | us-gaap_AssetImpairmentChargesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration