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v3.20.1

Note 7 - Supplemental Disclosures of Cash Flow Information (Tables) | 3 Months Ended
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Mar. 31, 2020
Notes Tables |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Three Months Ended
|  | March 31,
|  | 2020 |  | 2019
|  |  | ( In thousands ) |
Cash payments for: |  |  |  |  |  |  |  |
Interest |  | $ | 459 |  |  | $ | 428 |
Taxes (net of refunds received) |  |  | 0 |  |  |  | 0 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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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