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Inventories, Net

3 Months Ended

12 Months Ended

Mar. 31, 2022

Dec. 31, 2021

Inventory Disclosure [Abstract]

INVENTORIES, NET

NOTE 4. INVENTORIES, NET

Inventories consisted of the following:

		December 31, 2021			March 31, 2022
Work in process		$	20,760		$	23,124
Raw materials			25,266			26,128
Finished goods			7,398			8,829
Total		$	53,424		$	58,081

Provision for obsolete inventories at $218 and $471 were recognized for the three months ended March 31, 2021 and 2022, respectively.

5. INVENTORIES, NET

Inventories consisted of the following:

		December 31, 2020			December 31, 2021
Work in process		$	22,167		$	20,760
Raw materials			17,451			25,266
Finished goods			5,350			7,398
Total		$	44,968		$	53,424

Provision for obsolete inventory at $4,233, $1,343 and $18,295 were recognized for the years ended December 31, 2019, 2020 and 2021, respectively, primarily related to the obsolete inventory as a result of technology development or product upgrade.

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- References

No definition available.

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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 https://asc.fasb.org/topic&trid=2126998

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