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Inventories (Tables)
 6 Months Ended
Jun. 30, 2016
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
A summary of inventories is as follows:
 
 
 
June 30,
 
December 31,
 
 
 
2016
 
2015
 
 
 
 
 
 
 
 
 
Jewelry
 
$
8,007,307
 
$
8,365,828
 
Scrap gold
 
 
774,664
 
 
506,560
 
Bullion
 
 
553,742
 
 
357,644
 
Rare coins and Other
 
 
302,001
 
 
335,474
 
 
 
$
9,637,714
 
$
9,565,506