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Inventories

12 Months Ended

Dec. 31, 2021

Inventory Disclosure [Abstract]

Inventories

5. Inventories

Inventories as of December 31, 2020 and 2021 consisted of the following:

		December 31,				December 31,
		2020				2021
Raw materials		$	757,857			$	11,323,638
Work in progress			2,338,342				8,093,002
Finished goods			2,156,646				10,716,700
		$	5,252,845			$	30,133,340

During the years ended December 31, 2020 and 2021, write-downs of obsolete inventories to lower of cost or net realizable value of $1,450,182 and $867,731, respectively, were charged to cost of revenues.

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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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