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Note 2 - Long-lived Asset Impairments | 6 Months Ended
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Jun. 30, 2022
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 and six month periods ended June 30, 2022 and for the three and six month periods ended June 30, 2021, 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
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Balance Type: | na
Period Type: | duration

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