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Property, Plant and Equipment, net (Tables)
9 Months Ended
Sep. 30, 2021
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property and equipment as of September 30, 2021 and December 31, 2020 are as follows:
(in thousands)September 30, 2021December 31, 2020
Construction in progress$360 $4,467 
Leasehold improvements2,978 34 
Office equipment and furniture1,621 83 
Computer equipment265 381 
5,2244,965
Less accumulated depreciation(673)(179)
Property and equipment, net$4,551 $4,786