XML 67 R55.htm IDEA: XBRL DOCUMENT v3.22.2
Mezzanine Equity and Total Equity - Stockholder Rights Plan (Details) - $ / shares
1 Months Ended
Apr. 30, 2020
Jun. 30, 2022
Dec. 31, 2021
Class of Stock [Line Items]      
Percentage of ownership after transaction 4.90%    
Preferred stock, authorized (in shares)   50,000,000  
Series B Preferred Stock      
Class of Stock [Line Items]      
Preferred stock, authorized (in shares) 1 120,000 120,000
Preferred stock, exercise price (in dollars per share) $ 0.035