6. Properties, Plants and Equipment (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Plant and equipment	$ 12,728,239	$ 12,371,144
Buildings	1,498,148	1,498,148
Mineral Rights	3,797,166	3,797,166
Land & Other	5,819,176	5,819,176
Total	23,842,729	23,485,634
Accumulated Depreciation	(8,709,832)	(7,789,668)
Properties, plants and equipment, net	15,132,897	15,695,966
USAC
Plant and equipment	743,767	729,272
Buildings	247,210	247,210
Mineral Rights	0	0
Land & Other	3,274,572	3,274,572
Total	4,265,549	4,251,054
Accumulated Depreciation	(2,577,552)	(2,538,257)
Properties, plants and equipment, net	1,687,997	1,712,797
USAMSA
Plant and equipment	7,655,777	7,598,640
Buildings	900,992	900,992
Mineral Rights	3,793,502	3,793,502
Land & Other	2,529,294	2,529,294
Total	14,879,565	14,822,428
Accumulated Depreciation	(3,427,058)	(2,836,164)
Properties, plants and equipment, net	11,452,507	11,986,264
BRZ
Plant and equipment	3,577,055	3,477,260
Buildings	349,946	349,946
Mineral Rights	3,664	3,664
Land & Other	15,310	15,310
Total	3,945,975	3,846,180
Accumulated Depreciation	(2,596,356)	(2,373,627)
Properties, plants and equipment, net	1,349,619	1,472,553
Precious Metals [Member]
Plant and equipment	751,640	565,972
Buildings	0	0
Mineral Rights	0	0
Land & Other	0	0
Total	751,640	565,972
Accumulated Depreciation	(108,866)	(41,620)
Properties, plants and equipment, net	$ 642,774	$ 524,352