SEGMENT INFORMATION (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue
Sales	$ 37,680,769	$ 38,810,884	$ 96,895,216	$ 85,185,634
Cost of goods sold	29,570,653	31,647,487	75,352,946	68,249,699
Gross margin	8,110,116	7,163,397	21,542,270	16,935,935
Expenses:
Selling, general and administrative expenses	5,230,473	3,869,673	14,214,927	11,311,543
Depreciation and amortization	216,176	179,782	637,307	539,217
Total operating expenses	5,446,649	4,049,455	14,852,234	11,850,760
Operating income (loss)	2,663,467	3,113,942	6,690,036	5,085,175
Other (income) expense:
Gain on forgiveness of Federal Loan			(1,668,200)	0
Write-off of notes receivable and accrued interest receivable	(949,174)	0	(949,174)	0
Income before income taxes	3,132,856	2,985,097	7,357,695	4,760,274
Income tax expense	26,455	273	89,910	35,127
Net Income	3,106,401	2,984,824	7,267,785	4,725,147
DGSE [Member]
Revenue
Sales	25,482,379	28,137,174	67,409,204	62,849,787
Cost of goods sold	22,422,881	24,704,214	58,445,075	55,437,880
Gross margin	3,059,498	3,432,960	8,964,129	7,411,907
Expenses:
Selling, general and administrative expenses	1,772,034	1,703,394	5,444,366	5,121,568
Depreciation and amortization	98,787	79,190	293,044	235,471
Total operating expenses	1,870,821	1,782,584	5,737,410	5,357,039
Operating income (loss)	1,188,677	1,650,376	3,226,719	2,054,868
Interest expense	(79,563)	(53,931)	(216,740)	(142,824)
Other (income) expense:
Gain on forgiveness of Federal Loan	675,210	0	675,210	0
Write-off of notes receivable and accrued interest receivable	0	0	0	0
Other income, net	(37,823)	1,208	193,368	37,654
Income before income taxes	1,746,501	1,597,653	3,878,557	1,949,698
Income tax expense	10,288	167	38,178	12,714
Net Income	1,736,213	1,597,486	3,840,379	1,936,984
ECHG [Member]
Revenue
Sales	12,198,390	10,673,710	29,486,012	22,335,847
Cost of goods sold	7,147,772	6,943,273	16,907,871	12,811,819
Gross margin	5,050,618	3,730,437	12,578,141	9,524,028
Expenses:
Selling, general and administrative expenses	3,458,439	2,166,279	8,770,561	6,189,975
Depreciation and amortization	117,389	100,592	344,236	303,746
Total operating expenses	3,575,828	2,266,871	9,114,824	6,493,721
Operating income (loss)	1,474,790	1,463,566	3,463,317	3,030,307
Interest expense	(109,290)	(101,868)	(328,839)	(302,587)
Other (income) expense:
Gain on forgiveness of Federal Loan	992,990	0	992,990	0
Write-off of notes receivable and accrued interest receivable	(949,174)	0	(949,174)	0
Other income, net	(22,961)	25,746	300,844	82,856
Income before income taxes	1,386,355	1,387,444	3,479,138	2,810,576
Income tax expense	16,167	106	51,372	22,413
Net Income	1,370,188	1,387,338	3,427,406	2,788,163
Segment Information [Member]
Revenue
Sales	37,680,769	38,810,884	96,895,216	85,185,634
Cost of goods sold	29,570,653	31,647,487	75,352,946	68,249,699
Gross margin	8,110,116	7,163,397	21,542,270	16,935,935
Expenses:
Selling, general and administrative expenses	5,230,473	3,869,673	14,214,927	11,311,543
Depreciation and amortization	216,176	179,782	637,307	539,217
Total operating expenses	5,446,649	4,049,455	14,852,234	11,850,760
Operating income (loss)	2,663,467	3,113,942	6,690,036	5,085,175
Interest expense	(188,853)	(155,799)	(545,579)	(445,411)
Other (income) expense:
Gain on forgiveness of Federal Loan	1,668,200	0	1,668,200	0
Write-off of notes receivable and accrued interest receivable	(949,174)	0	(949,174)	0
Other income, net	(60,784)	26,954	494,212	120,510
Income before income taxes	3,132,856	2,985,097	7,357,695	4,760,274
Income tax expense	26,455	273	89,910	35,127
Net Income	$ 3,106,401	$ 2,984,824	$ 7,267,785	$ 4,725,147