Revenue Recognition - Schedule of Disaggregation of Revenue Listed by Sales Category and State (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%
Texas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 15,404,787	$ 13,164,472
Gross Profit	$ 2,076,745	$ 2,274,882
Margin	13.50%	17.30%
South Carolina [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 614,743	$ 891,400
Gross Profit	$ 141,737	$ 227,124
Margin	23.10%	25.50%
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%
Jewelry [Member] \| Texas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 4,149,254	$ 4,618,131
Gross Profit	$ 1,200,632	$ 1,385,252
Margin	28.90%	30.00%
Jewelry [Member] \| South Carolina [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 407,114	$ 681,831
Gross Profit	$ 125,026	$ 211,368
Margin	30.70%	31.00%
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%
Bullion/Rare Coin [Member] \| Texas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 9,780,278	$ 6,890,182
Gross Profit	$ 501,592	$ 538,025
Margin	5.10%	7.80%
Bullion/Rare Coin [Member] \| South Carolina [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 203,868	$ 209,569
Gross Profit	$ 14,565	$ 15,756
Margin	7.10%	7.50%
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%
Scrap [Member] \| Texas [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%
Other [Member] \| Texas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 257,104	$ 372,515
Gross Profit	$ 189,474	$ 142,121
Margin	73.70%	38.20%
Other [Member] \| South Carolina [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 3,761
Gross Profit	$ 2,146
Margin	57.10%	0.00%

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No definition available.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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