Note 6 - Notes and Leases Payable - Summary of Note Payable (Details) - USD ($)		Jun. 30, 2018	Dec. 31, 2017
Note payable for equipment, payable $1,339 monthly, including interest (a)		$ 66.415	$ 212,134
Less: Current Portion		(66,415)	(212,134)
Notes Payable, Long-Term Portion		0	0
Note Payable Mining Equipment [Member]
Note payable for equipment, payable $1,339 monthly, including interest (a)	[1]	6,605	13,073
Note Payable Insurance Company [Member]
Note payable for equipment, payable $1,339 monthly, including interest (a)	[2],[3]	$ 59,810	$ 199,061

[1] On October 31, 2014, the Company purchased mining equipment for $65,120 by paying deposit and issuing a note in the amount of $57,900 with an interest rate of 5.2%. The note is collateralized by the mining equipment with payments of $1,339 for 48 months, which started on November 30, 2014.

[2] The Company signed a note payable with an insurance company dated October 17, 2016 for liability insurance, payable in monthly installments, including interest ranging from 2.6% - 4.15%

[3] The Company signed a note payable with an insurance company dated October 17, 2017 for liability insurance, payable in monthly installments, including interest ranging from 3.1% - 5.78%