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Inventory
6 Months Ended
Jun. 30, 2023
Inventory Disclosure [Abstract]  
Inventory

6. Inventory

Inventory consists of the following (in thousands):

 

 

 

June 30, 2023

 

 

December 31, 2022

 

Raw materials

 

$

18,414

 

 

$

15,137

 

Work in process

 

 

9,016

 

 

 

20,723

 

Finished goods

 

 

17,193

 

 

 

18,713

 

Total inventory

 

$

44,623

 

 

$

54,573

 

 

As of June 30, 2023, total inventory included $21.4 million related to CINVANTI, $19.9 million related to ZYNRELEF, $2.3 million related to SUSTOL and $1.0 million related to APONVIE. As of December 31, 2022, total inventory included $30.9 million related to ZYNRELEF, $19.9 million related to CINVANTI, $2.6 million related to SUSTOL and $1.2 million for APONVIE. For the three and six months ended June 30, 2023, cost of product sales included charges of $7.5 million and $12.8 million, respectively, resulting from the write-off of ZYNRELEF inventory. For the three and six months ended June 30, 2022, cost of product sales included charges of $2.5 million resulting primarily from the write-off of short-dated ZYNRELEF inventory.