14. Business Segments (Details 2) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Total revenues	$ 1,742,991	$ 2,456,365
Depreciation and amortization	226,281	223,273
Income (loss) from operations	(302,946)	(683,767)
Other income (expense)	(5,936)	(23,693)
NET INCOME (LOSS)	(308,882)	(707,460)
United States Antimony
Total revenues	1,121,425	1,705,823
Depreciation and amortization	7,395	10,878
Income (loss) from operations	239,352	(52,096)
Other income (expense)	(2,915)	(1,367)
NET INCOME (LOSS)	236,437	(53,463)
Mexico Antimony
Total revenues	0	0
Depreciation and amortization	146,098	149,083
Income (loss) from operations	(719,066)	(802,676)
Other income (expense)	0	(18,287)
NET INCOME (LOSS)	(719,066)	(820,963)
Subtotal Antimony
Total revenues	1,121,425	1,705,823
Depreciation and amortization	153,493	159,961
Income (loss) from operations	(479,714)	(854,772)
Other income (expense)	(2,915)	(19,654)
NET INCOME (LOSS)	(482,629)	(874,426)
Precious Metals
Total revenues	62,206	24,527
Depreciation and amortization	23,598	17,011
Income (loss) from operations	38,608	7,516
Other income (expense)	0	0
NET INCOME (LOSS)	38,608	7,516
Zeolite
Total revenues	559,360	726,015
Depreciation and amortization	49,190	46,301
Income (loss) from operations	138,160	163,489
Other income (expense)	(3,021)	(4,039)
NET INCOME (LOSS)	$ 135,139	$ 159,450