Note 1 - Basis of Presentation and Recent Accounting Pronouncements (Details Textual) - Thoma Bravo (TB) [Member] $ / shares in Units, $ in Billions	Jun. 28, 2021 USD ($) $ / shares
Merger Agreement, Consideration to be Received | $	$ 2
Merger Agreement, Consideration to Stockholders per Share (in dollars per share) | $ / shares	$ 87.50