Segment Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Sales	$ 113,922,015	$ 82,024,497
Cost of goods sold	90,853,052	65,768,655
Gross profit	23,068,963	16,255,842
Selling, general and administrative expenses	15,553,274	12,494,510
Depreciation and amortization	728,626	520,298
Total expenses	16,281,900	13,014,808
Operating income	6,787,063	3,241,034
Other (income) expense, net	(306,997)	(49,756)
Interest expense	620,499	414,961
Income before income taxes	6,473,561	2,875,829
Income tax expense	89,618	95,116
Income from continuing operations	6,383,943	$ 2,780,713
ECHG
Sales	28,260,624
Cost of goods sold	15,561,531
Gross profit	12,699,093
Selling, general and administrative expenses	8,620,015
Depreciation and amortization	406,793
Total expenses	9,026,808
Operating income	3,672,285
Other (income) expense, net	(193,023)
Interest expense	411,204
Income before income taxes	3,454,104
Income tax expense	49,335
Income from continuing operations	3,404,769
DGSE
Sales	85,661,391
Cost of goods sold	75,291,521
Gross profit	10,369,870
Selling, general and administrative expenses	6,933,259
Depreciation and amortization	321,833
Total expenses	7,255,092
Operating income	3,114,778
Other (income) expense, net	(113,974)
Interest expense	209,295
Income before income taxes	3,019,457
Income tax expense	40,283
Income from continuing operations	$ 2,979,174