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Inventory
3 Months Ended
Mar. 31, 2020
Inventory [Abstract]  
Inventory

7.    Inventory

Inventories are stated at the lower of cost or market. Inventories consisted of the following:

    

March 31, 2020

    

December 31, 2019

(in thousands)

Work-in-process

$

10,030

$

8,302

Finished goods

 

230

 

160

Inventory

$

10,260

$

8,462