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Fair Value Measurements (Details Narrative) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment Income, Interest $ 0.1 $ 0.1
Fair Value, Inputs, Level 2 [Member] | Restricted Cash and Cash Invested In Money Market Accounts [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of asset $ 1.6 $ 1.4