13. Business Segments (Details 2) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Total revenues	$ 2,272,283	$ 2,256,347	$ 4,728,648	$ 4,689,276
Depreciation and amortization	223,273	175,097	446,546	452,659
Income (loss) from operations	(460,418)	(160,053)	(1,144,185)	(559,822)
Other income (expense)	(25,621)	37,268	(49,314)	(37,403)
NET INCOME (LOSS)	(486,039)	(122,785)	(1,193,499)	(597,225)
United States Antimony
Total revenues	1,194,535	1,492,520	2,739,819	3,174,333
Depreciation and amortization	10,878	13,170	21,755	26,380
Income (loss) from operations	(56,245)	391,895	(108,341)	589,934
Other income (expense)	(4,420)	(1,938)	(5,787)	(2,716)
NET INCOME (LOSS)	(60,665)	389,957	(114,128)	587,218
Mexico Antimony
Total revenues	313,053	0	473,592	0
Depreciation and amortization	149,083	97,844	298,168	297,366
Income (loss) from operations	(629,422)	(808,575)	(1,432,098)	(1,551,357)
Other income (expense)	(18,051)	41,630	(36,338)	(29,488)
NET INCOME (LOSS)	(647,473)	(766,945)	(1,468,436)	(1,580,845)
Subtotal Antimony
Total revenues	1,507,588	1,492,520	3,213,411	3,174,333
Depreciation and amortization	159,961	111,014	319,923	323,746
Income (loss) from operations	(685,667)	(416,680)	(1,540,439)	(961,423)
Other income (expense)	(22,471)	39,692	(42,125)	(32,204)
NET INCOME (LOSS)	(708,138)	(376,988)	(1,582,564)	(993,627)
Precious Metals
Total revenues	60,523	81,293	85,050	141,703
Depreciation and amortization	17,011	17,011	34,021	34,021
Income (loss) from operations	43,513	114,801	51,029	107,682
Other income (expense)	0	0	0	0
NET INCOME (LOSS)	43,513	114,801	51,029	107,682
Zeolite
Total revenues	704,172	682,534	1,430,187	1,373,240
Depreciation and amortization	46,301	47,072	92,602	94,892
Income (loss) from operations	181,736	141,826	345,225	293,919
Other income (expense)	(3,150)	(2,424)	(7,189)	(5,199)
NET INCOME (LOSS)	$ 178,586	$ 139,402	$ 338,036	$ 288,720