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Inventories

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Inventories

4. Inventories

Inventories as of December 31, 2021 and March 31, 2022 consisted of the following:

		December 31,				March 31,
		2021				2022
Raw materials		$	11,323,638			$	15,484,667
Work in progress			8,093,002				9,428,354
Finished goods			10,716,700				16,958,128
		$	30,133,340			$	41,871,149

During the three months ended March 31, 2021 and 2022, write-downs of obsolete inventories to lower of cost or net realizable value of $233,305 and $406,152, 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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