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Inventories | 3 Months Ended
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Mar. 31, 2024
Inventories [Abstract] |
Inventories |
| 5. | Inventories
Inventories as of December 31, 2023 and March 31, 2024 consisted of the following:
|  | December 31, |  |  | March 31, |
|  | 2023 |  |  | 2024 |
Raw materials |  | $ | 3,779,414 |  |  | $ | 3,927,649 |
Work in progress |  |  | 9,525,568 |  |  |  | 10,862,287 |
Finished goods |  |  | 20,108,440 |  |  |  | 13,470,404 |
|  | $ | 33,413,422 |  |  | $ | 28,260,340 |
During the three months ended March 31, 2023 and 2024, write-downs of obsolete inventories to lower of cost or net realizable value of $979,633 and $538,883, respectively, were charged to cost of revenues.

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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 -Topic 330 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/330/tableOfContent + Details
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