Quarterly report pursuant to Section 13 or 15(d)

Business and Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements-Textual (Details)

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Business and Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements-Textual (Details) - USD ($)
Mar. 31, 2022
Jan. 01, 2022
Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease right-of-use assets $ 188,000 $ 212,000 $ 0 [1]
Operating Lease, Liability 289,000    
Property, Plant and Equipment, Net 231,000   162,000 [1]
Accounting Standards Update 2016-02 Leases      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease right-of-use assets   212,000  
Operating Lease, Liability   327,000  
Property, Plant and Equipment, Net     162,000
Deferred Rent Credit     $ 58,000
Accounting Standards Update 2016-02 Leases | Cumulative Effect, Period of Adoption, Adjustment      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease right-of-use assets   212,000  
Property, Plant and Equipment, Net 90,000 90,000  
Deferred Rent Credit $ 58,000 $ (58,000)  
[1] The condensed consolidated balance sheet as of December 31, 2021 was derived from the audited consolidated balance sheet as of that date.