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Loans Payable - Note 5 - SMOM - Additional Information (Detail) - USD ($)		3 Months Ended		6 Months Ended
	May 03, 2017	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Apr. 20, 2018	Oct. 01, 2016
Debt Instrument [Line Items]
Aggregate amount issuable								$ 3,000,000
Note 5 - SMOM [Member]
Debt Instrument [Line Items]
Aggregate amount issuable	$ 3,000,000						$ 3,500,000
Interest rate, stated percentage	10.00%
Annual Principal Payment	$ 500,000
Loan balance		$ 3,500,000		$ 3,500,000		$ 3,500,000
Accrued interest		$ 87,260	$ 87,260	$ 174,520	$ 173,561
Note 5 - SMOM [Member] | Maximum [Member]
Debt Instrument [Line Items]
Convertible debt						$ 2,000,000
Note 5 - SMOM [Member] | Neptune Minerals, Inc. [Member]
Debt Instrument [Line Items]
Accounts receivable assigned for loan	50.00%
Note 5 - SMOM [Member] | Aldama Mining Company, S.de R.L. de C.V [Member]
Debt Instrument [Line Items]
Percentage of equity interest	10.00%
Value of equity interest	$ 1,000,000
Note 5 - SMOM [Member] | Aldama Mining Company, S.de R.L. de C.V [Member] | Maximum [Member]
Debt Instrument [Line Items]
Percentage of equity interest	50.00%

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