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Intangible Assets, net
 3 Months Ended
Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets, net

10. Intangible Assets, net

 

Intangible assets as of December 31, 2021 and March 31, 2022 consisted of the followings:

 

   December 31,
2021		   March 31,
2022		 
Computer software at cost  $108,560   $108,801 
Sewage discharge permit*   　1,915,740     1,919,970 
　   　2,024,300    2,028,771 
Accumulated amortization   　(62,561)   (194,420)
　  $1,961,739   $1,834,351 

 

Amortization expenses were $686 and $131,571 for the three months ended March 31, 2021 and 2022, respectively.

 

*The Company has not yet obtained the ownership of sewage discharge permit in its Zhejiang manufacturing facilities with a carrying amount of $1,898,675 as of December 31, 2021. The sewage discharge permit was registered under the name of New Era (note 11). The Company has obtained a five years sewage discharge permit on January 27, 2022.

 

Total future amortization expenses for finite-lived intangible assets as of March 31, 2022 were estimated as follows:

 

Remainder of 2022  $396,837 
2023   527,641 
2024   526,166 
2025   351,785 
2026   8,350 
Thereafter   23,572 
Total  $1,834,351