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Other Current Assets
 3 Months Ended
Mar. 31, 2018
Other Current Assets [Abstract]  
Other Current Assets

11.  Other current assets



 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 



 

 

March 31,

December 31,



 

 

 

 

 2018 

 

 

 2017 

Advances against auction contracts

 

 

 

$

 7,569 

 

$

 7,336 

Prepaid expenses and deposits

 

 

 

 

 23,088 

 

 

 19,690 



 

 

 

$

 30,657 

 

$

 27,026