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Related Parties - 1347 Energy Holdings LLC (Details) - USD ($)
Feb. 12, 2018
Jun. 30, 2019
Dec. 31, 2018
Principal Owner      
Related Party Transaction [Line Items]      
Equity method investment, ownership percentage   0.00% 45.60%
Chief Executive Officer      
Related Party Transaction [Line Items]      
Equity method investment, ownership percentage   0.00% 0.80%
Collateralized Agreements   $ 0 $ 600,000
Affiliated Entity      
Related Party Transaction [Line Items]      
Equity method investment, ownership percentage   0.00% 0.00%
1347 Energy Holdings LLC | Affiliated Entity      
Related Party Transaction [Line Items]      
Collateralized Agreements $ 1,800,000    
Proceeds from surety bonds $ 700,000