Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual)

v3.20.2
Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
Sep. 30, 2020
Jul. 01, 2020
Jun. 30, 2020
Retained Earnings (Accumulated Deficit), Ending Balance $ 1,073,362   $ 1,057,470
Accounting Standards Update 2016-02 [Member]      
Retained Earnings (Accumulated Deficit), Ending Balance   $ 300