Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2020	Jul. 01, 2020	Jun. 30, 2020
Retained Earnings (Accumulated Deficit), Ending Balance	$ 1,104,762		$ 1,057,470
Accounting Standards Update 2016-02 [Member]
Retained Earnings (Accumulated Deficit), Ending Balance		$ 300

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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