XML 76 R63.htm IDEA: XBRL DOCUMENT v3.22.0.1
Income Taxes (Tax Credit Carryforwards) (Details) - Federal [Member]
$ in Millions
Dec. 31, 2021
USD ($)
Tax Credit Carryforward [Line Items]  
Operating Loss Carryforwards, After Tax Effects $ 15.7
Research and Development Credit [Member]  
Tax Credit Carryforward [Line Items]  
Tax Credit Carryforwards, After Tax Effects, Amount $ 15.5