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Inventory
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Inventory

6. Inventory

Inventory consists of the following (in thousands):

 

 

 

June 30, 2021

 

 

December 31, 2020

 

Raw materials

 

$

20,985

 

 

$

18,994

 

Work in process

 

 

14,732

 

 

 

6,847

 

Finished goods

 

 

7,083

 

 

 

16,064

 

Total inventory

 

$

42,800

 

 

$

41,905

 

 

As of June 30, 2021, total inventory included $33.9 million related to CINVANTI, $5.8 million related to ZYNRELEF and $3.1 million related to SUSTOL. As of December 31, 2020, total inventory included $37.8 million related to CINVANTI and $4.1 million related to SUSTOL. In addition, cost of product sales for the three and six months ended June 30, 2021 included charges of $3.1 million resulting from the write-off of short-dated SUSTOL inventory.