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Related-Party Transactions (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Equity in earnings of investee $ 42 $ 29  
General Partner [Member]      
Holdings administrative fees charged   1,100  
General Partner [Member] | Omnibus Agreement [Member]      
Annual fee per agreement     $ 4,500
Alati Arnegard LLC [Member]      
Ownership interest 25.00%    
Management fee revenue from related parties $ 200 $ 200  
Accounts receivable from related parties 100   100
Investment in Arnegard $ 400   $ 400