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Inventory
 12 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
Inventory
5.
Inventory

Inventory consisted of the following (in thousands):

 

 

 

December 31,

 

 

December 31,

 

 

 

2022

 

 

2021

 

Raw materials

 

$

1,410

 

 

$

2,727

 

Work in process

 

 

1,078

 

 

 

405

 

Finished goods

 

 

398

 

 

 

484

 

Total inventory

 

$

2,886

 

 

$

3,616

 

 

In connection with the change in CMS reimbursement rules on November 1, 2022 (see Note 6), the Company recorded impairment charges of $1.4 million to cost of sales, excluding amortization of acquired intangible assets, associated with the write-off of excess inventory of DEXYCU units, whose inventory levels were higher than the Company’s updated forecasts of future demand for those units.