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Inventories, net (Tables)
 12 Months Ended
Dec. 31, 2024
Notes and other explanatory information [abstract]  
Schedule of Inventories

 

   As of December 31, 2024 
       Allowance for     
   Cost   valuation loss   Book value 
Merchandise inventory  $568,871   $(13,191)  $555,680 

   

   As of December 31, 2023 
       Allowance for     
   Cost   valuation loss   Book value 
Merchandise inventory  $189,930   $(2,328)  $187,602 
Schedule of cost of inventories

The cost of inventories recognized for the year:

 

   As of   As of 
   December 31, 2024   December 31, 2023 
Cost of goods sold  $11,921,857   $20,893,411 
Loss on (reversal of) inventory valuation   11,324    (37,569)
Cost of inventories  $11,933,181   $20,855,842