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Note 9 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	Nov. 19, 2021	Nov. 17, 2021	Apr. 24, 2020
Maximum Aggregate Offering Price			$ 500,000
Common Stock Purchase Agreement with RPI [Member]
Stock Issued During Period, Shares, New Issues (in shares)	3,846,154
Proceeds from Issuance of Common Stock	$ 50,000
Shares Issued, Price Per Share (in dollars per share)	$ 13.00	$ 13.00
Shares Issued, Price Per Share, Premium (in dollars per share)		1.11
Shares Issued, Price Per Share, Closing Price (in dollars per share)		$ 11.89
Shares Issued, Common Stock, Premium		$ 4,269

X

- Definition

Represents the maximum aggregate offering price of common stock, preferred stock, depository shares, stock purchase contracts, warrants and units.

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- Definition

Information on the amount of the common stock premium.

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- Definition

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The cash inflow from the additional capital contribution to the entity.

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