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Inventory (Tables)
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory
    June 30,     December 31,  
    2020     2019  
    ($ in thousands)  
Finished goods   $ 234     $ 173  
Work in process     410       81  
Raw materials and supplies     758       982  
    $ 1,402     $ 1,236