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Inventories | 12 Months Ended
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Dec. 31, 2021
Inventory Disclosure [Abstract] |
Inventories |
5. | INVENTORIES
Inventory, net of write-downs, as of December 31, 2021 and 2020 were as follows (in thousands):
|  | As of December 31, |
|  | 2021 |  |  | 2020 |
Raw materials |  | $ | 1,544 |  |  | $ | 1,123 |
Work in-process |  |  | 2,447 |  |  |  | 1,337 |
Finished goods |  |  | 94 |  |  |  | 195 |
Total inventory, net |  | $ | 4,085 |  |  | $ | 2,655 |
The Company’s inventory write-down to reduce inventories to net realizable value was $1,203 and $72 during the years ended December 31, 2021 and 2020, respectively.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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