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Line of Credit (Details) - USD ($)
12 Months Ended
Dec. 11, 2021
Dec. 10, 2021
Dec. 31, 2021
Dec. 31, 2020
Line of Credit Facility [Line Items]        
Debt issuance costs     $ 110,000 $ 49,000
Unamortized debt issuance costs     59,000  
Western Alliance Bank        
Line of Credit Facility [Line Items]        
Line of credit maximum amount $ 10,000,000 $ 7,000,000 $ 10,000,000  
Floating rate base 3.25% 4.75%    
Incremental interest percentage in the even of default 5.00%      
Interest rate     4.75%  
Line of credit balance outstanding     $ 0  
Western Alliance Bank | Variable Rate Base or Prime Rate        
Line of Credit Facility [Line Items]        
Basis spread on variable rate 1.50%