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Revenue Recognition (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues	$ 38,810,884	$ 22,861,201	$ 85,185,634	$ 59,818,168
Gross profit	$ 7,163,397	$ 5,186,454	$ 16,935,935	$ 10,770,251
Margin	18.50%	22.70%	19.90%	18.00%
DGSE
Revenues	$ 28,137,174	$ 16,652,927	$ 62,849,787	$ 51,251,093
Gross profit	$ 3,432,960	$ 2,018,852	$ 7,411,907	$ 6,507,162
Margin	12.20%	12.10%	11.80%	12.70%
DGSE | Resale
Revenues	$ 27,101,477	$ 14,105,015	$ 59,065,343	$ 45,737,002
Gross profit	$ 3,139,884	$ 1,659,597	$ 6,632,131	$ 5,705,946
Margin	11.60%	11.80%	11.20%	12.50%
DGSE | Recycle
Revenues	$ 1,035,697	$ 2,547,912	$ 3,784,444	$ 5,514,091
Gross profit	$ 293,076	$ 359,255	$ 779,776	$ 801,216
Margin	28.30%	14.10%	20.60%	14.50%
ECHG
Revenues	$ 10,673,710	$ 6,208,274	$ 22,335,847	$ 8,567,075
Gross profit	$ 3,730,437	$ 3,167,602	$ 9,524,028	$ 4,263,089
Margin	34.90%	51.00%	42.60%	49.80%
ECHG | Resale
Revenues	$ 7,812,553	$ 5,133,181	$ 15,595,813	$ 5,116,345
Gross profit	$ 2,376,406	$ 2,408,416	$ 5,818,672	$ 2,335,781
Margin	30.40%	46.90%	37.30%	45.70%
ECHG | Recycle
Revenues	$ 2,861,157	$ 1,075,093	$ 6,740,034	$ 3,450,730
Gross profit	$ 1,354,031	$ 759,186	$ 3,705,356	$ 1,927,308
Margin	47.30%	70.60%	55.00%	55.90%

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