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Revenue Recognition - Schedule of Disaggregation of Revenue (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 16,019,530	$ 14,055,872
Gross Profit	$ 2,218,482	$ 2,502,006
Margin	13.80%	17.80%
Jewelry [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 4,556,368	$ 5,299,962
Gross Profit	$ 1,325,658	$ 1,596,620
Margin	29.10%	30.10%
Bullion/Rare Coin [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 9,984,146	$ 7,099,751
Gross Profit	$ 516,157	$ 553,781
Margin	5.20%	7.80%
Scrap [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 1,218,151	$ 1,283,644
Gross Profit	$ 185,047	$ 209,484
Margin	15.20%	16.30%
Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 260,865	$ 372,515
Gross Profit	$ 191,620	$ 142,121
Margin	73.50%	38.20%

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