Quarterly report pursuant to Section 13 or 15(d)

Restricted Cash Equivalents and Investments (Narrative) (Details)

v3.22.2.2
Restricted Cash Equivalents and Investments (Narrative) (Details) - USD ($)
6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Debt and Equity Securities, FV-NI [Line Items]    
Restricted cash equivalents   $ 0
Preferred Stock [Member]    
Debt and Equity Securities, FV-NI [Line Items]    
Investment $ 250,000  
Minority investment, ownership percentage 10.00%