Quarterly report pursuant to Section 13 or 15(d)

Inventories

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Inventories
9 Months Ended
Sep. 30, 2018
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories as of September 30, 2018 and December 31, 2017 consisted of the following:
($ in thousands)  September 30, 2018 December 31, 2017
Raw materials  $ 14,972  $ 5,754 
Work-in-process  3,015  7,732 
Finished goods  3,543  3,728 
Inventories  $ 21,530  $ 17,214