XML 75 R57.htm IDEA: XBRL DOCUMENT v3.20.2
Equity - Additional Information (Details) - Stockholder Rights Plan - Series A Junior Participating Preferred Share
May 31, 2020
$ / shares
shares
Class of Warrant or Right [Line Items]  
Number of shares, right to purchase | shares 0.001
Exercise price (in dollars per share) $ 100.00
Redemption price per right $ 0.0001