XML 61 R52.htm IDEA: XBRL DOCUMENT v3.19.3
Stockholders' Deficit - Stockholder Rights Plan (Details) - Rights - $ / shares
Oct. 23, 2019
Mar. 06, 2019
Jul. 22, 2018
Ownership trigger threshold 20.00% 20.00% 15.00%
Series A Junior Participating Preferred Stock      
Number of preferred share purchase rights granted for each outstanding share of common stock     1
Number of shares of stock available to purchase per right     0.001
Preferred stock, par value     $ 0.01
Exercise price per right     $ 250.00