Note 19 - Subsequent Events (Details Textual) - Subsequent Event [Member] - USD ($) |
Mar. 18, 2019 |
Dec. 06, 2018 |
|---|---|---|
| Business Combination, Consideration Transferred, Total | $ 182,500,000 | |
| Capital Pumping LP and Affiliates [Member] | ||
| Business Combination, Consideration Transferred, Total | $ 129,200,000 |
| X | ||||||||||
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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