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Leases (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Operating Leases    
January 2022 - December 2022 $ 1,185,000  
January 2023 - December 2023 1,173,000  
January 2024 - December 2024 1,179,000  
January 2025 - December 2025 880,000  
January 2026 - December 2026 897,000  
Thereafter 225,000  
Total payments under lease agreements 5,539,000  
Less imputed interest (636,000)  
Total lease liabilities 4,903,000 $ 6,008,000
Finance Leases    
January 2022 - December 2022 39,000  
January 2023 - December 2023 8,000  
Total payments under lease agreements 47,000  
Less imputed interest (2,000)  
Total lease liabilities $ 45,000 $ 98,000