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INVENTORIES - Additional Information (Detail)
Dec. 31, 2016
USD ($)
g
Dec. 31, 2015
USD ($)
g
Inventory Disclosure [Line Items]    
Inventory valuation reserves | $ $ 0 $ 0
Gold Included In Raw Materials 185,000 5,624,476
Gold Included In Work-In-Progress 2,358,178 3,549,984
Gold Included In finished goods 993,699 886,849
Gold Pledged For Bank Loan   3,977,490
Collateralized Loan Obligations [Member]    
Inventory Disclosure [Line Items]    
Debt Instrument, Collateral Amount | $   $ 115,100,000
Gold Pledged For Debt Payable   2,456,000
Collateralized Debt Obligations [Member]    
Inventory Disclosure [Line Items]    
Debt Instrument, Collateral Amount | $   $ 72,290,000