REVENUE RECOGNITION (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues	$ 37,680,769	$ 38,810,884	$ 96,895,216	$ 85,185,634
Gross margin	8,110,116	7,163,397	21,542,270	16,935,935
DGSE [Member]
Revenues	25,482,379	28,137,174	67,409,204	62,849,787
Gross margin	$ 3,059,498	$ 3,432,960	$ 8,964,129	$ 7,411,907
Margin	12.00%	12.20%	13.30%	11.80%
DGSE [Member] | Resale
Revenues	$ 23,407,095	$ 27,101,477	$ 61,621,574	$ 59,065,343
Gross margin	$ 2,645,445	$ 3,139,884	$ 7,781,229	$ 6,632,131
Margin	11.30%	11.60%	12.60%	11.20%
DGSE [Member] | Recycle
Revenues	$ 2,075,284	$ 1,035,697	$ 5,787,630	$ 3,784,444
Gross margin	$ 414,053	$ 293,076	$ 1,182,900	$ 779,776
Margin	20.00%	28.30%	20.40%	20.60%
ECHG [Member]
Revenues	$ 12,198,390	$ 10,673,710	$ 29,486,012	$ 22,335,847
Gross margin	$ 5,050,618	$ 3,730,437	$ 12,578,141	$ 9,524,028
Margin	41.40%	34.90%	42.70%	42.60%
ECHG [Member] | Resale
Revenues	$ 8,288,951	$ 7,812,553	$ 21,625,853	$ 15,595,813
Gross margin	$ 3,450,652	$ 2,376,406	$ 9,082,521	$ 5,818,672
Margin	41.60%	30.40%	42.00%	37.30%
ECHG [Member] | Recycle
Revenues	$ 3,909,439	$ 2,861,157	$ 7,860,159	$ 6,740,034
Gross margin	$ 1,599,966	$ 1,354,031	$ 3,495,620	$ 3,705,356
Margin	40.90%	47.30%	44.50%	55.00%
Total [Member]
Revenues	$ 37,680,769	$ 38,810,884	$ 96,895,216	$ 85,185,634
Gross margin	$ 8,110,116	$ 7,163,397	$ 21,542,270	$ 16,935,935
Margin	21.50%	18.50%	22.20%	19.90%