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Intangible Assets (Details Textual) - EOS ENERGY STORAGE, LLC [Member] - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Intangible Assets (Textual)        
Intangible assets $ 340,000   $ 360,000 $ 400,000
Amortization expenses 20,000 $ 20,000 40,000 $ 0
Patents [Member]        
Intangible Assets (Textual)        
Intangible assets $ 400,000   $ 400,000