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Inventory
 3 Months Ended
Mar. 31, 2020
Inventory  
Inventory

4. INVENTORY

Current inventory and long-term inventory consist of the following (in thousands):

 

 

 

 

 

 

 

 

 

March 31, 

 

December 31, 

 

    

2020

    

2019

 

 

 

 

 

 

 

Raw materials

 

$

1,387

 

$

1,387

Work in progress

 

 

3,541

 

 

4,166

Finished goods

 

 

4,165

 

 

2,873

Total inventory

 

$

9,093

 

$

8,426

 

As of March 31, 2020, the Company had $5.3 million of current inventory and $3.8 million of long-term inventory. As of December 31, 2019, the Company had $4.6 million of current inventory and $3.8 million of long-term inventory.