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Inventories - Schedule of Inventories (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Inventory [Line Items]
Jewelry	$ 6,785,426	$ 7,001,477
Scrap gold/silver	452,707	1,205,111
Bullion	151,345	801,717
Rare coins and Other	1,225,541	756,789
Subtotal	8,615,019	9,765,094
Inventories	9,509,454	9,765,094
Echo Environmental, LLC [Member]
Inventory [Line Items]
Electronic components - resale	361,126
Electronic components - recycle	533,309
Subtotal	$ 894,435

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- Definition

Carrying amount (lower of cost or market) as of the balance sheet date of bullion held in inventory.

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- Definition

Electronic components - recycle.

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- Definition

Electronic components - resale.

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- Definition

Carrying amount (lower of cost or market) as of the balance sheet date of jewelry held in inventory.

+ References

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- Definition

Carrying amount (lower of cost or market) as of the balance sheet date of rare coins and collectibles held in inventory.

+ References

No definition available.

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- Definition

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Gross amount of residue from manufacturing or production process that has recovery value.

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