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Note 10 - Subsequent Events (Details Textual) - Fill-Rite and Sotera [Member] - Subsequent Event [Member] $ in Millions	Apr. 26, 2022 USD ($)
Asset Acquisition, Consideration Transferred, Total	$ 525
Asset Acquisition, Consideration Transferred, Expected Tax Benefits Adjustment	80
Asset Acquisition, Consideration Transferred, Net Transaction Value	$ 445

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- Definition

Amount of expected tax benefit adjustment to consideration transferred in asset acquisition.

+ References

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Amount of net transaction value of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

+ References

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- Definition

Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 50
-Section 30
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