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Loans Payable - Note 1 - Monaco 2014 - Additional Information (Detail) - USD ($)			1 Months Ended	3 Months Ended
	Dec. 10, 2015	Aug. 14, 2014	Mar. 31, 2016	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Apr. 01, 2018	Dec. 01, 2014	Oct. 01, 2014
Note 1- Monaco 2014 [Member]
Debt Instrument [Line Items]
Aggregate amount issuable		$ 10,000,000
Interest rate, stated percentage		11.00%
Extinguishment of debt, amount	$ 2,200,000
Notes ceased to bear interest, amount	$ 5,000,000
Debt instrument maturity date	Dec. 31, 2017		Apr. 01, 2018
Accrued interest				$ 142,885	$ 142,885
Outstanding notes balance				2,800,000		$ 2,800,000
Note 1- Monaco 2014 [Member] | Oceanica Resources S. de. R.L [Member]
Debt Instrument [Line Items]
Per share value of shares exercised by private investor		$ 3.15
Aggregate value of shares issued to lender		$ 1,000,000
Note 1- Monaco 2014 [Member] | Oceanica Resources S. de. R.L [Member] | Loan Modification March Two Thousand Sixteen [Member]
Debt Instrument [Line Items]
Per share value of shares exercised by private investor			$ 1.00
Note 1- Monaco 2014 [Member] | First Tranche [Member]
Debt Instrument [Line Items]
Loan amount borrowed		$ 5,000,000
Note 1- Monaco 2014 [Member] | Second Tranche [Member]
Debt Instrument [Line Items]
Loan amount borrowed									$ 2,500,000
Note 1- Monaco 2014 [Member] | Third Tranche [Member]
Debt Instrument [Line Items]
Loan amount borrowed								$ 2,500,000
Note 2 [Member]
Debt Instrument [Line Items]
Aggregate amount issuable			$ 1,825,000
Interest rate, stated percentage			10.00%
Debt instrument maturity date			Apr. 15, 2018
Debt default interest rate							18.00%
Outstanding notes balance				$ 1,175,000		$ 1,175,000

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