XML 31 R21.htm IDEA: XBRL DOCUMENT v3.22.1
Inventory (Tables)
3 Months Ended
Mar. 31, 2022
Inventory  
Summary of inventory

Inventory was comprised of the following (in thousands):

​

​

​

​

​

​

​

​

​

​

    ​

March 31, 

​

December 31, 

    ​

​

    

2022

    

2021

    

Raw materials

​

$

1,872

​

$

1,880

​

Work in process

​

 ​

568

​

 ​

834

​

Finished goods

​

 ​

7,423

​

 ​

6,840

​

Total

​

$

9,863

​

$

9,554

​