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Inventories
 12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
INVENTORIES

6. INVENTORIES

 

Inventories as of December 31, 2018 and 2017 consist of the following:

 

   2018   2017 
         
Raw materials  $27,638   $184,490 
Work in progress   902    127,530 
Finished goods   1,320,562    1,905,782 
Total inventories  $1,349,102   $2,217,802 

 

During the years ended December 31, 2018, 2017 and 2016, (reversals of write-downs) and write-downs of inventories to lower of cost or net realizable value of $0, $(73,860) and $2,450,213, respectively, were (credited against) charged to costs of revenue in relation to the Company's continuing operations. Also, during the years ended December 31, 2018, 2017 and 2016, obsolete inventories were disposed of at a loss of $58,992, $0 and $202,297, respectively, charged to costs of revenue in relation to the Company's continuing operations.

 

During the year ended December 31, 2016, there was no write-own of inventories or loss on disposal of obsolete inventories in relation to the Company's discontinued operations.