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Commitments and Contingencies (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Loss Contingencies [Line Items]    
Post retirement obligation $ 1,603,000 $ 1,543,000
Kenneth Trbovich | Employment Agreement    
Loss Contingencies [Line Items]    
Post retirement obligation $ 622,000 $ 583,000
Minimum age limit 65 years