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Inventory (Tables)
3 Months Ended
Mar. 31, 2020
Inventory [Abstract]  
Schedule of Inventory

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

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March 31, 2020

    

December 31, 2019

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(in thousands)

Work-in-process

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$

10,030

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$

8,302

Finished goods

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230

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160

Inventory

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$

10,260

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$

8,462